ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
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 // remove noprint elems as tcpdf will make empty pdf when hidden by css rules
72 $domX = new DomXPath($dom);
73 foreach($domX->query("//*[contains(@class, 'ilNoDisplay')]") as $node)
74 {
75 $node->parentNode->removeChild($node);
76 }
77
78 $dom->encoding = 'UTF-8';
79
80 $img_src_map = array();
81 foreach($dom->getElementsByTagName('img') as $elm)
82 {
84 $uid = 'img_src_' . uniqid();
85 $src = $elm->getAttribute('src');
86
87 $elm->setAttribute('src', $uid);
88
89 $img_src_map[$uid] = $src;
90 }
91
92 $cleaned_html = $dom->saveHTML();
93
94 foreach($img_src_map as $uid => $src)
95 {
96 $cleaned_html = str_replace($uid, $src, $cleaned_html);
97 }
98
99 if(!$cleaned_html)
100 {
101 return $html;
102 }
103
104 return '<?xml encoding="UTF-8">'.$cleaned_html;
105 }
106
107 public static function generatePDF($pdf_output, $output_mode, $filename=null)
108 {
109 $pdf_output = self::preprocessHTML($pdf_output);
110
111 if (substr($filename, strlen($filename) - 4, 4) != '.pdf')
112 {
113 $filename .= '.pdf';
114 }
115
116 require_once './Services/PDFGeneration/classes/class.ilPDFGeneration.php';
117
118 $job = new ilPDFGenerationJob();
119 $job->setAutoPageBreak(true)
120 ->setCreator('ILIAS Test')
121 ->setFilename($filename)
122 ->setMarginLeft('20')
123 ->setMarginRight('20')
124 ->setMarginTop('20')
125 ->setMarginBottom('20')
126 ->setOutputMode($output_mode)
127 ->addPage($pdf_output);
128
129 ilPDFGeneration::doJob($job);
130 }
131
132 public static function preprocessHTML($html)
133 {
134 $pdf_css_path = self::getTemplatePath('test_pdf.css');
135 $html = self::makeHtmlDocument($html, '<style>'.file_get_contents($pdf_css_path).'</style>');
136
137 return $html;
138 }
139
140 protected static function getTemplatePath($a_filename)
141 {
142 $module_path = "Modules/Test/";
143
144 // use ilStyleDefinition instead of account to get the current skin
145 include_once "Services/Style/classes/class.ilStyleDefinition.php";
146 if (ilStyleDefinition::getCurrentSkin() != "default")
147 {
148 $fname = "./Customizing/global/skin/".
149 ilStyleDefinition::getCurrentSkin()."/".$module_path.basename($a_filename);
150 }
151
152 if($fname == "" || !file_exists($fname))
153 {
154 $fname = "./".$module_path."templates/default/".basename($a_filename);
155 }
156 return $fname;
157 }
158
159}
$filename
$filename
Definition: buildRTE.php:89
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)
Definition: class.ilTestPDFGenerator.php:140
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:107
$html
$html
Definition: example_001.php:87