ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
class.ilTestPDFGenerator.php
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1<?php
2/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3
13class ilTestPDFGenerator
14{
15 const PDF_OUTPUT_DOWNLOAD = 'D';
16 const PDF_OUTPUT_INLINE = 'I';
17 const PDF_OUTPUT_FILE = 'F';
18
19 private static function buildHtmlDocument($contentHtml, $styleHtml)
20 {
21 return "
22 <html>
23 <head>
24 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
25 $styleHtml
26 </head>
27 <body>$contentHtml</body>
28 </html>
29 ";
30 }
31
36 private static function makeHtmlDocument($contentHtml, $styleHtml)
37 {
38 if(!is_string($contentHtml) || !strlen(trim($contentHtml)))
39 {
40 return $contentHtml;
41 }
42
43 $html = self::buildHtmlDocument($contentHtml, $styleHtml);
44
45 $dom = new DOMDocument("1.0", "utf-8");
46 if(!@$dom->loadHTML($html))
47 {
48 return $html;
49 }
50
51 $invalid_elements = array();
52
53 $script_elements = $dom->getElementsByTagName('script');
54 foreach($script_elements as $elm)
55 {
56 $invalid_elements[] = $elm;
57 }
58
59 foreach($invalid_elements as $elm)
60 {
61 $elm->parentNode->removeChild($elm);
62 }
63
64 // remove noprint elems as tcpdf will make empty pdf when hidden by css rules
65 $domX = new DomXPath($dom);
66 foreach($domX->query("//*[contains(@class, 'noprint')]") as $node)
67 {
68 $node->parentNode->removeChild($node);
69 }
70
71 $dom->encoding = 'UTF-8';
72
73 $img_src_map = array();
74 foreach($dom->getElementsByTagName('img') as $elm)
75 {
77 $uid = 'img_src_' . uniqid();
78 $src = $elm->getAttribute('src');
79
80 $elm->setAttribute('src', $uid);
81
82 $img_src_map[$uid] = $src;
83 }
84
85 $cleaned_html = $dom->saveHTML();
86
87 foreach($img_src_map as $uid => $src)
88 {
89 $cleaned_html = str_replace($uid, $src, $cleaned_html);
90 }
91
92 if(!$cleaned_html)
93 {
94 return $html;
95 }
96
97 return $cleaned_html;
98 }
99
100 public static function generatePDF($pdf_output, $output_mode, $filename=null)
101 {
102 $pdf_output = self::preprocessHTML($pdf_output);
103
104 if (substr($filename, strlen($filename) - 4, 4) != '.pdf')
105 {
106 $filename .= '.pdf';
107 }
108
109 require_once './Services/PDFGeneration/classes/class.ilPDFGeneration.php';
110
111 $job = new ilPDFGenerationJob();
112 $job->setAutoPageBreak(true)
113 ->setCreator('ILIAS Test')
114 ->setFilename($filename)
115 ->setMarginLeft('20')
116 ->setMarginRight('20')
117 ->setMarginTop('20')
118 ->setMarginBottom('20')
119 ->setOutputMode($output_mode)
120 ->addPage($pdf_output);
121
122 ilPDFGeneration::doJob($job);
123 }
124
125 public static function preprocessHTML($html)
126 {
127 $html = self::makeHtmlDocument($html, '<style>'.self::getCssContent().'</style>');
128
129 return $html;
130 }
131
132 protected static function getTemplatePath($a_filename, $module_path = 'Modules/Test/')
133 {
134 // use ilStyleDefinition instead of account to get the current skin
135 include_once "Services/Style/System/classes/class.ilStyleDefinition.php";
136 if (ilStyleDefinition::getCurrentSkin() != "default")
137 {
138 $fname = "./Customizing/global/skin/".
139 ilStyleDefinition::getCurrentSkin()."/".$module_path.basename($a_filename);
140 }
141
142 if($fname == "" || !file_exists($fname))
143 {
144 $fname = "./".$module_path."templates/default/".basename($a_filename);
145 }
146 return $fname;
147 }
148
149 protected static function getCssContent()
150 {
151 $cssContent = file_get_contents( self::getTemplatePath('delos.css', '') );
152 $cssContent .= file_get_contents( self::getTemplatePath('test_pdf.css') );
153
154 return $cssContent;
155 }
156}
php
An exception for terminatinating execution or to throw for unit testing.
ilPDFGenerationJob
Class ilPDFGenerationJob.
Definition: class.ilPDFGenerationJob.php:16
ilPDFGeneration\doJob
static doJob(ilPDFGenerationJob $job)
Definition: class.ilPDFGeneration.php:17
ilTestPDFGenerator
Class ilTestPDFGenerator.
Definition: class.ilTestPDFGenerator.php:14
ilTestPDFGenerator\getTemplatePath
static getTemplatePath($a_filename, $module_path='Modules/Test/')
Definition: class.ilTestPDFGenerator.php:132
ilTestPDFGenerator\buildHtmlDocument
static buildHtmlDocument($contentHtml, $styleHtml)
Definition: class.ilTestPDFGenerator.php:19
ilTestPDFGenerator\generatePDF
static generatePDF($pdf_output, $output_mode, $filename=null)
Definition: class.ilTestPDFGenerator.php:100
$html
$html
Definition: example_001.php:87