d8/d77/class_8ilTestPDFGenerator_8php_source.html

 <?php
 class ilTestPDFGenerator
 {
     const PDF_OUTPUT_DOWNLOAD = 'D';
     const PDF_OUTPUT_INLINE = 'I';
     const PDF_OUTPUT_FILE = 'F';

     const service = "Test";

     private static function buildHtmlDocument($contentHtml, $styleHtml)
     {
         return "
                         <html>
                                 <head>
                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
                                         $styleHtml
                                 </head>
                                 <body>$contentHtml</body>
                         </html>
                 ";
     }

     private static function makeHtmlDocument($contentHtml, $styleHtml)
     {
         if (!is_string($contentHtml) || !strlen(trim($contentHtml))) {
             return $contentHtml;
         }

         $html = self::buildHtmlDocument($contentHtml, $styleHtml);

         $dom = new DOMDocument("1.0", "utf-8");
         if (!@$dom->loadHTML($html)) {
             return $html;
         }

         $invalid_elements = array();

         $script_elements = $dom->getElementsByTagName('script');
         foreach ($script_elements as $elm) {
             $invalid_elements[] = $elm;
         }

         foreach ($invalid_elements as $elm) {
             $elm->parentNode->removeChild($elm);
         }

         // remove noprint elems as tcpdf will make empty pdf when hidden by css rules
         $domX = new DomXPath($dom);
         foreach ($domX->query("//*[contains(@class, 'noprint')]") as $node) {
             $node->parentNode->removeChild($node);
         }

         $dom->encoding = 'UTF-8';

         $img_src_map = array();
         foreach ($dom->getElementsByTagName('img') as $elm) {
             $uid = 'img_src_' . uniqid();
             $src = $elm->getAttribute('src');

             $elm->setAttribute('src', $uid);

             $img_src_map[$uid] = $src;
         }

         $cleaned_html = $dom->saveHTML();

         foreach ($img_src_map as $uid => $src) {
             $cleaned_html = str_replace($uid, $src, $cleaned_html);
         }

         if (!$cleaned_html) {
             return $html;
         }

         return $cleaned_html;
     }

     public static function generatePDF($pdf_output, $output_mode, $filename = null, $purpose = null)
     {
         $pdf_output = self::preprocessHTML($pdf_output);

         if (substr($filename, strlen($filename) - 4, 4) != '.pdf') {
             $filename .= '.pdf';
         }
         $pdf_factory = new ilHtmlToPdfTransformerFactory();

         if (!$pdf_factory->deliverPDFFromHTMLString(
             $pdf_output,
             $filename,
             $output_mode,
             self::service,
             $purpose
         )) {
             throw new \Exception('could not write PDF');
         }
         return true;
     }

     public static function preprocessHTML($html)
     {
         $html = self::makeHtmlDocument($html, '<style>' . self::getCssContent() . '</style>');

         return $html;
     }

     protected static function getTemplatePath($a_filename, $module_path = 'Modules/Test/')
     {
         // use ilStyleDefinition instead of account to get the current skin
         include_once "Services/Style/System/classes/class.ilStyleDefinition.php";
         if (ilStyleDefinition::getCurrentSkin() != "default") {
             $fname = "./Customizing/global/skin/" .
                     ilStyleDefinition::getCurrentSkin() . "/" . $module_path . basename($a_filename);
         }

         if ($fname == "" || !file_exists($fname)) {
             $fname = "./" . $module_path . "templates/default/" . basename($a_filename);
         }
         return $fname;
     }

     protected static function getCssContent()
     {
         $cssContent = file_get_contents(self::getTemplatePath('delos.css', ''));
         $cssContent .= file_get_contents(self::getTemplatePath('test_pdf.css'));

         return $cssContent;
     }
 }
ilTestPDFGenerator\PDF_OUTPUT_INLINE
const PDF_OUTPUT_INLINE
Definition: class.ilTestPDFGenerator.php:30

ilTestPDFGenerator\getCssContent
static getCssContent()
Definition: class.ilTestPDFGenerator.php:151

ilTestPDFGenerator
This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Le...
Definition: class.ilTestPDFGenerator.php:27

ilTestPDFGenerator\buildHtmlDocument
static buildHtmlDocument($contentHtml, $styleHtml)
Definition: class.ilTestPDFGenerator.php:35

ilTestPDFGenerator\preprocessHTML
static preprocessHTML($html)
Definition: class.ilTestPDFGenerator.php:129

ilTestPDFGenerator\PDF_OUTPUT_FILE
const PDF_OUTPUT_FILE
Definition: class.ilTestPDFGenerator.php:31

ilStyleDefinition\getCurrentSkin
static getCurrentSkin()
get the current skin
Definition: class.ilStyleDefinition.php:111

ilHtmlToPdfTransformerFactory
Class ilHtmlToPdfTransformerFactory.
Definition: class.ilHtmlToPdfTransformerFactory.php:10

$filename
$filename
Definition: buildRTE.php:89

ilTestPDFGenerator\service
const service
Definition: class.ilTestPDFGenerator.php:33

ilTestPDFGenerator\generatePDF
static generatePDF($pdf_output, $output_mode, $filename=null, $purpose=null)
Definition: class.ilTestPDFGenerator.php:108

ilTestPDFGenerator\PDF_OUTPUT_DOWNLOAD
const PDF_OUTPUT_DOWNLOAD
Definition: class.ilTestPDFGenerator.php:29

ilTestPDFGenerator\getTemplatePath
static getTemplatePath($a_filename, $module_path='Modules/Test/')
Definition: class.ilTestPDFGenerator.php:136