<?php
/*
 * @package Joomla 1.5
 * @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
 * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
 *
 * @component Phoca Plugin
 * @copyright Copyright (C) Jan Pavelka www.phoca.cz
 * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL  
 *  
 */
defined('_JEXEC') or die('Restricted access');
jimport( 'joomla.plugin.plugin' );

class plgSystemPhocaPDFContent extends JPlugin
{
	function plgSystemPhocaPDFContent(& $subject, $config) {
		parent :: __construct($subject, $config);
	}
	
	
	function onAfterRender() {
		
		// IE 7 bug
		include_once(JPATH_ADMINISTRATOR.DS.'components'.DS.'com_phocapdf'.DS.'helpers'.DS.'phocapdfbrowser.php');
		if (!class_exists('PhocaPDFHelperBrowser')) {
			// Display no system error message as this is a system plugin and the site in administration needs to be displayed again
			// because of possible disabling system plugin
			echo '<div style="background:#FFC2C2;border:1px solid #bf3030;color: #a60000;padding:10px;margin:10px">'.JText::_('Phoca PDF component is not installed on your system but Phoca PDF Content Plugin is enabled. Install Phoca PDF component or disable Phoca PDF Content Plugin in Plugin Manager.').'</div>';
			return false;
		}
		
		$plugin 		=& JPluginHelper::getPlugin('system', 'phocapdfcontent');
	 	$pluginP 		= new JParameter( $plugin->params );
		$pdfDestination	= $pluginP->get('pdf_destination', 'S');
		$sefEnabled		= $pluginP->get('sef_enabled', 0);
		
		$app = JFactory::getApplication();
		if ($app->isAdmin()) {
			return;
		}
		
		
		
		$document	= &JFactory::getDocument();
		$doctype	= $document->getType();
		if ($doctype == 'html') {
			$bodySite	= JResponse::getBody();
			
			if ($pdfDestination == 'I' || $pdfDestination == 'D') {
				// Remome OnClick
				
				if ($sefEnabled == 1) {
					$pattern = '/<a(.+)href="(.*)\.pdf\?(.*)"(.+)onclick="(.*)"/Ui';
					$replacement = '<a $1href="$2.pdf?format=phocapdf&$3"$4';
					$bodySite = preg_replace($pattern, $replacement, $bodySite);
				} else if ($sefEnabled == 2) {
					$pattern = '/<a(.+)href="(.*)\.pdf(.*)"(.+)onclick="(.*)"/Ui';
					$replacement = '<a $1href="$2.pdf?format=phocapdf$3"$4';
					$bodySite = preg_replace($pattern, $replacement, $bodySite);
				} else {
					$pattern = '/<a(.+)href="(.*)format=pdf(.*)"(.+)onclick="(.*)"/Ui';
					$replacement = '<a $1href="$2format=phocapdf$3"$4';
					$bodySite = preg_replace($pattern, $replacement, $bodySite);
				}
				
				
			} else { 
				$browser = PhocaPDFHelperBrowser::browserDetection('browser');
				if ($sefEnabled == 1) {
				
					$pattern = '/<a(.+)href="(.*)\.pdf\?(.*)"(.+)onclick="(.*)"/Ui';
					if ($browser == 'msie7' || $browser == 'msie8') {
						$replacement = '<a $1href="$2.pdf?format=phocapdf&$3"$4 target="_blank"';
					} else {
						$replacement = '<a $1href="$2.pdf?format=phocapdf&$3"$4 onclick="$5"';
					}
					$bodySite = preg_replace($pattern, $replacement, $bodySite);
					
				} else if ($sefEnabled == 2) {
					
					$pattern = '/<a(.+)href="(.*)\.pdf(.*)"(.+)onclick="(.*)"/Ui';
					if ($browser == 'msie7' || $browser == 'msie8') {
						$replacement = '<a $1href="$2.pdf?format=phocapdf$3"$4 target="_blank"';
					} else {
						$replacement = '<a $1href="$2.pdf?format=phocapdf$3"$4 onclick="$5"';
					}
					$bodySite = preg_replace($pattern, $replacement, $bodySite);
	
				} else {
				
					$pattern = '/<a(.+)href="(.*)format=pdf(.*)"(.+)onclick="(.*)"/Ui';
					if ($browser == 'msie7' || $browser == 'msie8') {
						$replacement = '<a $1href="$2format=phocapdf$3"$4 target="_blank"';
					} else {
						$replacement = '<a $1href="$2format=phocapdf$3"$4 onclick="$5"';
					}
					$bodySite = preg_replace($pattern, $replacement, $bodySite);
				}
			}
			
			JResponse::setBody($bodySite);
		}
		return true;
	}
	
	function onBeforeCreatePDFContent(&$content) {
		
		$content->content = '';
		// load plugin params info
	 	$plugin  = &JPluginHelper::getPlugin('system', 'phocapdfcontent');
	 	$pluginP = new JParameter( $plugin->params );
		
		$content->margin_top		= $pluginP->get('margin_top', 27);
		$content->margin_left		= $pluginP->get('margin_left', 15);
		$content->margin_right		= $pluginP->get('margin_right', 15);
		$content->margin_bottom		= $pluginP->get('margin_bottom', 25);
		$content->site_font_color	= $pluginP->get('site_font_color', '#000000');
		$content->site_cell_height	= $pluginP->get('site_cell_height', 1.2);
		
		$content->font_type			= $pluginP->get('font_type', 'freemono');
		$content->page_format		= $pluginP->get('page_format', 'A4');
		$content->page_orientation	= $pluginP->get('page_orientation', 'L');
		
		$content->header_data		= $pluginP->get('header_data', '');
		$content->header_font_type	= $pluginP->get('header_font_type', 'freemono');
		$content->header_font_style	= $pluginP->get('header_font_style', '');
		$content->header_font_size	= $pluginP->get('header_font_size', 10);
		$content->header_margin		= $pluginP->get('header_margin', 5);
		
		$content->footer_font_type	= $pluginP->get('footer_font_type', 'freemono');
		$content->footer_font_style	= $pluginP->get('footer_font_style', '');
		$content->footer_font_size	= $pluginP->get('footer_font_size', 10);
		$content->footer_margin		= $pluginP->get('footer_margin', 15);
		
		$content->pdf_name			= $pluginP->get('pdf_name', 'Phoca PDF');
		$content->pdf_destination	= $pluginP->get('pdf_destination', 'S');
		$content->image_scale		= $pluginP->get('image_scale', 4);
		$content->display_plugin	= $pluginP->get('display_plugin', 0);
		$content->display_image		= $pluginP->get('display_image', 1);
		$content->use_cache			= $pluginP->get('use_cache', 0);
		
		
		//Extra values
		if ((int)$content->site_cell_height > 3) {
			$content->site_cell_height = 3;
		}
		if ((int)$content->margin_top > 200) {
			$content->margin_top = 200;
		}
		if ((int)$content->margin_left > 50) {
			$content->margin_left = 50;
		}
		if ((int)$content->margin_right > 50) {
			$content->margin_right = 50;
		}
		if ((int)$content->margin_bottom > 150) {
			$content->margin_bottom = 150;
		}
		if ((int)$content->header_font_size > 30) {
			$content->header_font_size = 30;
		}
		if ((int)$content->footer_font_size > 30) {
			$content->footer_font_size = 30;
		}
		if ((int)$content->header_margin > 50) {
			$content->header_margin = 50;
		}
		if ((int)$content->footer_margin > 50) {
			$content->footer_margin = 50;
		}
		if ((int)$content->image_scale < 0.5) {
			$content->image_scale = 0.5;
		}
		
		
		return true;
	}
	
	
	function onBeforeDisplayPDFContent(&$pdf, &$content, &$document) {
		
		$pdf->SetTitle($document->getTitle());
		$pdf->SetSubject($document->getDescription());
		$pdf->SetKeywords($document->getMetaData('keywords'));

		/*
		 * Specific Plugin code for Header
		 * Header is set here in system plugin (Phoca PDF Content Plugin) because we need title and header data
		 * Footer is set in helper of system plugin (Phoca PDF Component) because we need TCPDF data (pagination)
		 */
		if ($content->header_data != '') {
			// Plugin code
			$content->header_data = str_replace('{phocapdftitle}', $document->title, $content->header_data);
			$content->header_data = str_replace('{phocapdfheader}', $document->_header, $content->header_data);
			$pdf->setHeaderData('' , 0, '', $content->header_data);
		} else {
			$pdf->setHeaderData('' , 0, $document->getTitle(), $document->getHeader());
		}
		$pdf->setHeaderFont(array($content->header_font_type, $content->header_font_style, $content->header_font_size));
		
		
		$lang = &JFactory::getLanguage();
		$font = $content->font_type;
		$pdf->setRTL($lang->isRTL());

	
		$pdf->setFooterFont(array($content->footer_font_type, $content->footer_font_style, $content->footer_font_size));
		// Initialize PDF Document
		$pdf->AliasNbPages();
		$pdf->AddPage();
		
		$documentOutput = $document->getBuffer();
		
		if ($content->display_plugin == 0) {
			$pattern 		= '/\{(.*)\}/Ui';
			$replacement 	= '';
			$documentOutput = preg_replace($pattern, $replacement, $documentOutput);
			
		}
		
		if ($content->display_image == 0) {
			$pattern 		= '/<img(.*)>/Ui';
			$replacement 	= '';
			$documentOutput = preg_replace($pattern, $replacement, $documentOutput);
		}
		
		
		// Build the PDF Document string from the document buffer
		$pdf->writeHTML($documentOutput , true);
		
		return true;
	}
}
?>