Adding new "pdf class" (just a wrapper of mpdf) in main/inc/pdf.lib.php, adding new course and platform setting (database changes) see BT#1617skala
Julio Montoya
15 years ago
parent
bab923f006
commit
78ed989e1d
@ -0,0 +1,286 @@ |
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<?php |
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/* See license terms in /license.txt */ |
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/** |
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* @package chamilo.library |
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*/ |
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define('_MPDF_PATH', api_get_path(LIBRARY_PATH).'mpdf/'); |
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require_once _MPDF_PATH.'mpdf.php'; |
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class PDF { |
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private function __construct() { |
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} |
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/** |
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* Converts an html file to a pdf |
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* @param mixed could be an html path or an array with html paths |
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* @param string course code |
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* @return string the pdf path |
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*/ |
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public function html_to_pdf($html_file_array, $course_code = null) { |
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if (empty($html_file_array)) { |
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return false; |
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} |
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if (is_array($html_file_array)) { |
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if (count($html_file_array) == 0) |
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return false; |
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} else { |
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if (!file_exists($html_file_array)) { |
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return false; |
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} |
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//Converting the string into an array |
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$html_file_array = array($html_file_array); |
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} |
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if (!empty($course_code)) { |
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$course_data = api_get_course_info($course_code); |
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} |
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//clean styles and javascript document |
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$clean_search = array ( |
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'@<script[^>]*?>.*?</script>@si', |
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'@<style[^>]*?>.*?</style>@siU' |
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); |
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//mPDF($codepage='win-1252',$format='A4',$default_font_size=0,$default_font='',$mgl=15,$mgr=15,$mgt=16,$mgb=16,$mgh=9,$mgf=9, $orientation='P') |
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$pdf = new mPDF('UTF-8', 'A4', '', '', 30, 20, 27, 25, 16, 13, 'P'); |
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// $pdf->SetBasePath($basehref); |
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$pdf->directionality = api_get_text_direction(); // TODO: To be read from the html document. |
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$pdf->useOnlyCoreFonts = true; |
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$pdf->mirrorMargins = 1; // Use different Odd/Even headers and footers and mirror margins |
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$pdf->defaultheaderfontsize = 10; // in pts |
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$pdf->defaultheaderfontstyle = BI; // blank, B, I, or BI |
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$pdf->defaultheaderline = 1; // 1 to include line below header/above footer |
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$my_header = self::get_header($course_code); |
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$pdf->SetHeader($my_header);// ('{DATE j-m-Y}|{PAGENO}/{nb}|'.$title); |
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$pdf->defaultfooterfontsize = 12; // in pts |
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$pdf->defaultfooterfontstyle = B; // blank, B, I, or BI |
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$pdf->defaultfooterline = 1; // 1 to include line below header/above footer |
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//@todo remove this and use a simpler way |
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$footer = array ( |
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'odd' => array ( |
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'L' => array ( |
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'content' => '', |
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'font-size' => 10, |
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'font-style' => 'B', |
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'font-family' => 'serif', |
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'color'=>'#000000' |
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), |
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'C' => array ( |
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'content' => '', |
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'font-size' => 10, |
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'font-style' => 'B', |
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'font-family' => 'serif', |
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'color'=>'#000000' |
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), |
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'R' => array ( |
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'content' => '{PAGENO}', |
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'font-size' => 10, |
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'font-style' => 'B', |
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'font-family' => 'serif', |
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'color'=>'#000000' |
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), |
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'line' => 1, |
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), |
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'even' => array ( |
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'L' => array ( |
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'content' => '', |
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'font-size' => 10, |
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'font-style' => 'B', |
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'font-family' => 'serif', |
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'color'=>'#000000' |
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), |
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'C' => array ( |
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'content' => '', |
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'font-size' => 10, |
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'font-style' => 'B', |
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'font-family' => 'serif', |
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'color'=>'#000000' |
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), |
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'R' => array ( |
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'content' => '{PAGENO}', |
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'font-size' => 10, |
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'font-style' => 'B', |
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'font-family' => 'serif', |
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'color'=>'#000000' |
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), |
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'line' => 1, |
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), |
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); |
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$pdf->SetFooter($footer); // defines footer for Odd and Even Pages - placed at Outer margin http://mpdf1.com/manual/index.php?tid=151&searchstring=setfooter |
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if (api_get_setting('pdf_export_watermark_enable') == 'true') { |
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$watermark_file = self::get_watermark($course_code); |
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if (!empty($watermark_file)) { |
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//http://mpdf1.com/manual/index.php?tid=269&searchstring=watermark |
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$pdf->SetWatermarkImage($watermark_file); |
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$pdf->showWatermarkImage = true; |
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} |
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} |
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/*$pdf->SetAuthor('Documents Chamilo'); |
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$pdf->SetTitle('title'); |
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$pdf->SetSubject('Exported from Chamilo Documents'); |
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$pdf->SetKeywords('Chamilo Documents'); |
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*/ |
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foreach ($html_file_array as $html_file) { |
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if (!file_exists($html_file)) { |
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continue; |
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} |
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$file_info = pathinfo($html_file); |
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$dirname = str_replace("\\", '/', $file_info['dirname']); |
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$filename = $file_info['basename']; |
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$filename =str_replace('_',' ',$filename); |
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$extension = $file_info['extension']; |
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if (!($extension == 'html' || $extension == 'htm')) { |
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return false; |
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} |
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if ($extension == 'html'){ |
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$filename =basename($filename,'.html'); |
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} elseif($extension == 'htm'){ |
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$filename =basename($filename,'.htm'); |
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} |
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$document_html = @file_get_contents($html_file); |
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$document_html = preg_replace($clean_search, '', $document_html); |
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//absolute path for frames.css //TODO: necessary? |
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$absolute_css_path=api_get_path(WEB_CODE_PATH).'css/'.api_get_setting('stylesheets').'/frames.css'; |
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$document_html=str_replace('href="./css/frames.css"',$absolute_css_path, $document_html); |
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//$document_html=str_replace('<link rel="stylesheet" http://my.chamilo.net/main/css/chamilo/frames.css type="text/css" />','', $document_html); |
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$document_html= str_replace('../','',$document_html); |
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$document_path = api_get_path(WEB_COURSE_PATH).$course_data['path'].'/document/'; |
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$doc = new DOMDocument(); |
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$result = @$doc->loadHTML($document_html); |
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//Fixing only images @todo do the same thing with other elements |
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$elements = $doc->getElementsByTagName('img'); |
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$replace_img_elements = array(); |
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if (!empty($elements)) { |
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foreach($elements as $item) { |
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$old_src = $item->getAttribute('src'); |
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//$old_src= str_replace('../','',$old_src); |
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if (strrpos('http', $old_src) === false) { |
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$document_html= str_replace($old_src, $document_path.$old_src, $document_html); |
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} |
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} |
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} |
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//replace relative path by absolute path for resources |
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//$document_html= str_replace('src="/chamilo/main/default_course_document/', 'temp_template_path', $document_html);// before save src templates not apply |
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//$document_html= str_replace('src="/', 'temp_template_path', $document_html);// before save src templates not apply |
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//$document_html= str_replace('src="/chamilo/main/default_course_document/', 'temp_template_path', $document_html);// before save src templates not apply |
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//$src_http_www= 'src="'.api_get_path(WEB_COURSE_PATH).$course_data['path'].'/document/'; |
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//$document_html= str_replace('src="',$src_http_www, $document_html); |
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//$document_html= str_replace('temp_template_path', 'src="/main/default_course_document/', $document_html);// restore src templates |
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api_set_encoding_html($document_html, 'UTF-8'); // The library mPDF expects UTF-8 encoded input data. |
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$title = api_get_title_html($document_html, 'UTF-8', 'UTF-8'); // TODO: Maybe it is better idea the title to be passed through |
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// $_GET[] too, as it is done with file name. |
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// At the moment the title is retrieved from the html document itself. |
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if (empty($title)) { |
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$title = $filename; // Here file name is expected to contain ASCII symbols only. |
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} |
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//var_dump($document_html); |
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$pdf->WriteHTML($document_html,2); |
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} |
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$output_file = 'pdf_'.date('Y-m-d-his').'.pdf'; |
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$result = $pdf->Output($output_file, 'D'); /// F to save the pdf in a file |
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exit; |
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} |
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/** |
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* Gets the watermark from the platform or a course |
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* @param string course code (optional) |
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* @param mixed web path of the watermark image, false if there is nothing to return |
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*/ |
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public function get_watermark($course_code = null) { |
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$web_path = false; |
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if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') { |
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$course_info = api_get_course_info($course_code); |
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$store_path = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/pdf_watermark.png'; // course path |
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if (file_exists($store_path)) |
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$web_path = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/pdf_watermark.png'; |
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} else { |
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$store_path = api_get_path(SYS_CODE_PATH).'default_course_document/pdf_watermark.png'; // course path |
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if (file_exists($store_path)) |
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$web_path = api_get_path(WEB_CODE_PATH).'default_course_document/pdf_watermark.png'; |
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} |
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return $store_path; |
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} |
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/** |
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* Uploads the pdf watermark |
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*/ |
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public function upload_watermark($filename, $source_file, $course_code = null) { |
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if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') { |
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$course_info = api_get_course_info($course_code); |
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$store_path = api_get_path(SYS_COURSE_PATH).$course_info['path']; // course path |
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$web_path = api_get_path(WEB_COURSE_PATH).$course_info['path'].'pdf_watermark.png'; |
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} else { |
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$store_path = api_get_path(SYS_CODE_PATH).'default_course_document'; // course path |
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$web_path = api_get_path(WEB_CODE_PATH).'default_course_document/pdf_watermark.png'; |
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} |
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$course_image = $store_path.'/pdf_watermark.png'; |
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$extension = strtolower(substr(strrchr($filename, '.'), 1)); |
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$result = false; |
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$allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif'); |
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if (in_array($extension, $allowed_picture_types)) { |
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if (file_exists($course_image)) { |
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@unlink($course_image); |
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} |
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if ($extension != 'png') { |
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// convert image to png extension |
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if ($extension == 'jpg' || $extension == 'jpeg') { |
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$image = imagecreatefromjpeg($source_file); |
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} else { |
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$image = imagecreatefromgif($source_file); |
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} |
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ob_start(); |
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imagepng($image); |
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$imagevariable = ob_get_contents(); |
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ob_end_clean(); |
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// save picture |
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if (@file_put_contents($course_image, $imagevariable)) { |
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$result = true; |
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} |
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} else { |
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$result = @move_uploaded_file($source_file, $course_image); |
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} |
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} |
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if ($result) { |
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$result = $web_path; |
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} |
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return $result; |
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} |
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/** |
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* Returns the default header |
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*/ |
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public function get_header($course_code = null) { |
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$header = ''; |
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if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') { |
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$header = api_get_course_setting('pdf_export_watermark_text'); |
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} else { |
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$header = api_get_setting('pdf_export_watermark_text'); |
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} |
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return $header; |
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} |
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} |
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?> |
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