<?php
/* Copyright (C) 2003 Steve Dillon
 * Copyright (C) 2003 Laurent Passebecq
 * Copyright (C) 2001-2003 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2002-2003 Jean-Louis Bergamo	<jlb@j1b.org>
 * Copyright (C) 2006-2013 Laurent Destailleur	<eldy@users.sourceforge.net>
 * Copyright (C) 2015 Francis Appels  <francis.appels@yahoo.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 *	\file		htdocs/core/modules/printsheet/doc/pdf_standardlabel.class.php
 *	\ingroup	core
 *	\brief		Fichier de la classe permettant d'editer au format PDF des etiquettes au format Avery ou personnalise
 */

require_once DOL_DOCUMENT_ROOT.'/core/class/commonstickergenerator.class.php';

/**
 *	Class to generate stick sheet with format Avery or other personalised
 */
class pdf_tcpdflabel extends CommonStickerGenerator
{
	// define 1d barcode style
	private $_style1d = array(
					'position' => '',
					'align' => 'C',
					'stretch' => false,
					'fitwidth' => true,
					'cellfitalign' => '',
					'border' => false,
					'hpadding' => 'auto',
					'vpadding' => 'auto',
					'fgcolor' => array(0,0,0),
					'bgcolor' => false,
					'text' => true,
					'font' => 'helvetica',
					'fontsize' => 8,
					'stretchtext' => 4
	);
	
	// set style for 2d barcode
	private $_style2d = array(
					'border' => false,
					'vpadding' => 'auto',
					'hpadding' => 'auto',
					'fgcolor' => array(0,0,0),
					'bgcolor' => false,
					'module_width' => 1, // width of a single module in points
					'module_height' => 1 // height of a single module in points
	);
	
	private $_align2d = 'N';
	
	private $_xres = 0.4;
	
	/**
	 * write barcode to pdf
	 * 
	 * @param PDF	  $pdf		  PDF reference
	 * @param string  $code		   code to print
	 * @param string  $encoding	   type of barcode
	 * @param boolean $is2d		   true if 2d barcode
	 * @param int	  $x		   x position in user units 
	 * @param int	  $y		   y position in user units
	 * @param int	  $w		   width in user units
	 * @param int	  $h		   height in user units
	 */	   
	private function writeBarcode(&$pdf, $code, $encoding, $is2d, $x, $y, $w, $h) 
	{
		if ($is2d) {
			$pdf->write2DBarcode($code, $encoding, $x, $y, $w, $h, $this->_style2d, $this->_align2d);
		} else {
			$pdf->write1DBarcode($code, $encoding, $x, $y, $w, $h, $this->_xres, $this->_style1d);
		}
	}
	
	/**
	 * Output a sticker on page at position _COUNTX, _COUNTY (_COUNTX and _COUNTY start from 0)
	 *
	 * @param	PDF			$pdf			PDF reference
	 * @param	Translate	$outputlangs	Output langs
	 * @param	array		$param			Associative array containing label content and optional parameters
	 * @return	void
	 */
	function addSticker(&$pdf,$outputlangs,$param) 
	{
		global $mysoc,$conf;
		
		$textleft = $param['textleft'];
		$header = $param['textheader'];
		$footer = $param['textfooter'];
		$textright = $param['textright'];
		$code = $param['code'];
		$encoding = $param['encoding'];
		$is2d = $param['is2d'];
		
		

		// We are in a new page, then we must add a page
		if (($this->_COUNTX ==0) && ($this->_COUNTY==0) and (!$this->_First==1)) {
			$pdf->AddPage();
		}
		$this->_First=0;
		$_PosX = $this->_Margin_Left+($this->_COUNTX*($this->_Width+$this->_X_Space));
		$_PosY = $this->_Margin_Top+($this->_COUNTY*($this->_Height+$this->_Y_Space));

		// Define logo
		$logo=$conf->mycompany->dir_output.'/logos/'.$mysoc->logo;
		if (! is_readable($logo))
		{
			$logo='';
			if (! empty($mysoc->logo_small) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$mysoc->logo_small))
			{
				$logo=$conf->mycompany->dir_output.'/logos/thumbs/'.$mysoc->logo_small;
			}
			elseif (! empty($mysoc->logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$mysoc->logo))
			{
				$logo=$conf->mycompany->dir_output.'/logos/'.$mysoc->logo;
			}
		}

		$xleft = 2; 
		$ytop = 2;

		// Top
		if ($header!='')
		{
			$pdf->SetXY($_PosX+$xleft, $_PosY+1); // Only 1 mm and not ytop for top text
			$pdf->Cell($this->_Width-2*$xleft, $this->_Line_Height, $outputlangs->convToOutputCharset($header),0,1,'C');
		}

		$ytop += (empty($header)?0:(1+$this->_Line_Height));

		// Define widthtouse and heighttouse
		$pageMargins = $pdf->getMargins();
		$maxwidthtouse = round($this->_Width - 2*$xleft);
		$maxheighttouse = round($this->_Height - 2*$ytop);
		$maxheighttouse -= (empty($footer)?0:(1+$this->_Line_Height));
		$defaultratio = ($maxwidthtouse/$maxheighttouse);
		$widthtouse = $maxwidthtouse;
		$heighttouse = $maxheighttouse;
		$logoHeight = $heighttouse;
		$logoWidth = $heighttouse;
		
		//var_dump($this->_Width.'x'.$this->_Height.' with border and scale '.$imgscale.' => max '.$maxwidthtouse.'x'.$maxheighttouse.' => We use '.$widthtouse.'x'.$heighttouse);exit;

		// Center
		if ($textright=='')	// Only a left part
		{
			// Output left area
			if ($textleft == '%LOGO%' && $logo) $pdf->Image($logo, $_PosX+$xleft, $_PosY+$ytop, 0, $logoHeight);
			else if ($code && !empty($encoding)) 
			{
				$this->writeBarcode($pdf, $code, $encoding, $is2d, $_PosX+$xleft, $_PosY+$ytop, $widthtouse, $heighttouse);
			}
			else
			{
				$pdf->SetXY($_PosX+$xleft, $_PosY+$ytop);
				$pdf->MultiCell($this->_Width, $this->_Line_Height, $outputlangs->convToOutputCharset($textleft),0,'L');
			}
		}
		else if ($textleft!='' && $textright!='')	// left and right part
		{
			if (($textleft == '%LOGO%' || $textleft == '%PHOTO%' || $textleft == '%BARCODE%') && !strstr($textright, '%') )	 // left part logo/barcode right part text
			{
				if ($textleft == '%LOGO%' && $logo) $pdf->Image($logo, $_PosX+$xleft, $_PosY+$ytop, $widthtouse/2, 0);
				else if ($code && !empty($encoding)) 
				{
					$this->writeBarcode($pdf, $code, $encoding, $is2d, $_PosX+$xleft, $_PosY+$ytop, $widthtouse/2, $heighttouse);
				}
				$pdf->SetXY($_PosX+($widthtouse/2), $_PosY+$ytop);
				$pdf->MultiCell($widthtouse/2, $this->_Line_Height, $outputlangs->convToOutputCharset($textright), 0, 'R');
			}
			else if (($textright == '%LOGO%' || $textright == '%PHOTO%' || $textright == '%BARCODE%') && !strstr($textleft, '%')) // right part logo/barcode left part text
			{
				if ($textright == '%LOGO%' && $logo) $pdf->Image($logo, $_PosX+($widthtouse/2), $_PosY+$ytop, $widthtouse/2, 0);
				else if ($code && !empty($encoding)) 
				{
					$this->writeBarcode($pdf, $code, $encoding, $is2d, $_PosX+($widthtouse/2), $_PosY+$ytop, $widthtouse/2, $heighttouse);
				}
				$pdf->SetXY($_PosX+$xleft, $_PosY+$ytop);
				$pdf->MultiCell($widthtouse/2, $this->_Line_Height, $outputlangs->convToOutputCharset($textleft),0,'L');
			}
			else if ($textleft == '%LOGO%')	 // left part logo right part text/barcode
			{
				if ($logo) $pdf->Image($logo, $_PosX+$xleft, $_PosY+$ytop, 0, $logoHeight);
				if ($code && !empty($encoding))
				{
					$this->writeBarcode($pdf, $code, $encoding, $is2d, $_PosX+$xleft+$logoWidth+1, $_PosY+$ytop, $widthtouse-$logoWidth-1, $heighttouse);
				} else {
					$pdf->SetXY($_PosX+$xleft+$logoWidth+1, $_PosY+$ytop);
					$pdf->MultiCell($widthtouse-$logoWidth1-1, $this->_Line_Height, $outputlangs->convToOutputCharset($textright),0,'R');
				}				
			}
			else if ($textright == '%LOGO%')  // right part logo left part text/barcode
			{
				if ($logo) $pdf->Image($logo, $_PosX+$xleft+$widthtouse-$logoWidth+1, $_PosY+$ytop, 0, $logoHeight);
				if ($code && !empty($encoding))
				{
					$this->writeBarcode($pdf, $code, $encoding, $is2d, $_PosX+$xleft, $_PosY+$ytop, $widthtouse-$logoWidth-1, $heighttouse);
				} else {
					$pdf->SetXY($_PosX+$xleft, $_PosY+$ytop);
					$pdf->MultiCell($widthtouse-$logoWidth-1, $this->_Line_Height, $outputlangs->convToOutputCharset($textleft),0,'L');
				}				
			}
			else	// text on halft left and text on half right
			{
				$pdf->SetXY($_PosX+$xleft, $_PosY+$ytop);
				$pdf->MultiCell(round($this->_Width/2), $this->_Line_Height, $outputlangs->convToOutputCharset($textleft),0,'L');
				$pdf->SetXY($_PosX+round($this->_Width/2), $_PosY+$ytop);
				$pdf->MultiCell(round($this->_Width/2)-2, $this->_Line_Height, $outputlangs->convToOutputCharset($textright),0,'R');
			}
		}
		else	// Only a right part
		{
			// Output right area
			if ($textright == '%LOGO%' && $logo) $pdf->Image($logo, $_PosX+$this->_Width-$widthtouse-$xleft, $_PosY+$ytop, 0, $logoHeight);
			else if ($code && !empty($encoding)) 
			{
				$this->writeBarcode($pdf, $code, $encoding, $is2d, $_PosX+$this->_Width-$widthtouse-$xleft, $_PosY+$ytop, $widthtouse, $heighttouse);
			}
			else
			{
				$pdf->SetXY($_PosX+$xleft, $_PosY+$ytop);
				$pdf->MultiCell($this->_Width-$xleft, $this->_Line_Height, $outputlangs->convToOutputCharset($textright),0,'R');
			}
		}

		// Bottom
		if ($footer!='')
		{
			$pdf->SetXY($_PosX, $_PosY+$this->_Height-$this->_Line_Height-1);
			$pdf->Cell($this->_Width, $this->_Line_Height, $outputlangs->convToOutputCharset($footer),0,1,'C');
		}
		//print "$_PosY+$this->_Height-$this->_Line_Height-1<br>\n";

		$this->_COUNTY++;

		if ($this->_COUNTY == $this->_Y_Number) {
			// Si on est en bas de page, on remonte le 'curseur' de position
			$this->_COUNTX++;
			$this->_COUNTY=0;
		}

		if ($this->_COUNTX == $this->_X_Number) {
			// Si on est en bout de page, alors on repart sur une nouvelle page
			$this->_COUNTX=0;
			$this->_COUNTY=0;
		}
	}




	/**
	 *	Function to build PDF on disk, then output on HTTP strem.
	 *
	 *	@param	array		$arrayofrecords		Array of record informations (array('textleft'=>,'textheader'=>, ..., 'id'=>,'photo'=>)
	 *	@param	Translate	$outputlangs		Lang object for output language
	 *	@param	string		$srctemplatepath	Full path of source filename for generator using a template file
	 *	@param	string		$outputdir			Output directory for pdf file
	 *  @param  string      $filename           Short file name of PDF output file
	 *	@return int								1=OK, 0=KO
	 */
	function write_file($arrayofrecords,$outputlangs,$srctemplatepath,$outputdir='',$filename='tmp_address_sheet.pdf')
	{
		global $user,$conf,$langs,$mysoc,$_Avery_Labels;

		$this->code=$srctemplatepath;
		$this->Tformat = $_Avery_Labels[$this->code];
		if (empty($this->Tformat)) { dol_print_error('','ErrorBadTypeForCard'.$this->code); exit; }
		$this->type = 'pdf';
        // standard format or custom
        if ($this->Tformat['paper-size']!='custom') {
            $this->format = $this->Tformat['paper-size'];
        } else {
            //custom
            $resolution= array($this->Tformat['custom_x'], $this->Tformat['custom_y']);
            $this->format = $resolution;
        }

		if (! is_object($outputlangs)) $outputlangs=$langs;
		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';

		$outputlangs->load("main");
		$outputlangs->load("dict");
		$outputlangs->load("companies");
		$outputlangs->load("admin");

		$title=$outputlangs->transnoentities('Labels');
		$keywords=$title." ".$outputlangs->convToOutputCharset($mysoc->name);

		$dir = (empty($outputdir)?$conf->adherent->dir_temp:$outputdir);
		$file = $dir."/".$filename;

		if (! file_exists($dir))
		{
			if (dol_mkdir($dir) < 0)
			{
				$this->error=$langs->trans("ErrorCanNotCreateDir",$dir);
				return 0;
			}
		}

		$pdf=pdf_getInstance($this->format,$this->Tformat['metric'], $this->Tformat['orientation']);

		if (class_exists('TCPDF'))
		{
			$pdf->setPrintHeader(false);
			$pdf->setPrintFooter(false);
		}
		$pdf->SetFont(pdf_getPDFFont($outputlangs));

		$pdf->SetTitle($title);
		$pdf->SetSubject($title);
		$pdf->SetCreator("Dolibarr ".DOL_VERSION);
		$pdf->SetAuthor($outputlangs->convToOutputCharset($user->getFullName($outputlangs)));
		$pdf->SetKeyWords($keywords);
		if (! empty($conf->global->MAIN_DISABLE_PDF_COMPRESSION)) $pdf->SetCompression(false);

		$pdf->SetMargins(0,0);
		$pdf->SetAutoPageBreak(false);

		$this->_Metric_Doc = $this->Tformat['metric'];
		// Permet de commencer l'impression de l'etiquette desiree dans le cas ou la page a deja servie
		$posX=1;
		$posY=1;
		if ($posX > 0) $posX--; else $posX=0;
		if ($posY > 0) $posY--; else $posY=0;
		$this->_COUNTX = $posX;
		$this->_COUNTY = $posY;
		$this->_Set_Format($pdf, $this->Tformat);


		$pdf->Open();
		$pdf->AddPage();


		// Add each record
		foreach($arrayofrecords as $val)
		{
			// imprime le texte specifique sur la carte
			$this->addSticker($pdf, $outputlangs, $val);
		}

		//$pdf->SetXY(10, 295);
		//$pdf->Cell($this->_Width, $this->_Line_Height, 'XXX',0,1,'C');


		// Output to file
		$pdf->Output($file,'F');

		if (! empty($conf->global->MAIN_UMASK))
			@chmod($file, octdec($conf->global->MAIN_UMASK));



		// Output to http stream
		clearstatcache();

		$attachment=true;
		if (! empty($conf->global->MAIN_DISABLE_FORCE_SAVEAS)) $attachment=false;
		$type=dol_mimetype($filename);

		//if ($encoding)   header('Content-Encoding: '.$encoding);
		if ($type)		 header('Content-Type: '.$type);
		if ($attachment) header('Content-Disposition: attachment; filename="'.$filename.'"');
		else header('Content-Disposition: inline; filename="'.$filename.'"');

		// Ajout directives pour resoudre bug IE
		header('Cache-Control: Public, must-revalidate');
		header('Pragma: public');

		readfile($file);

		return 1;
	}
}
