ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
class.ilTestPDFGenerator.php
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1<?php
2/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3
4require_once './Services/PDFGeneration/classes/factory/class.ilHtmlToPdfTransformerFactory.php';
5require_once './Services/PDFGeneration/classes/class.ilPDFGeneratorUtils.php';
6
16class ilTestPDFGenerator
17{
18 const PDF_OUTPUT_DOWNLOAD = 'D';
19 const PDF_OUTPUT_INLINE = 'I';
20 const PDF_OUTPUT_FILE = 'F';
21
22 const service = "Test";
23
24 private static function buildHtmlDocument($contentHtml, $styleHtml)
25 {
26 return "
27 <html>
28 <head>
29 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
30 $styleHtml
31 </head>
32 <body>$contentHtml</body>
33 </html>
34 ";
35 }
36
41 private static function makeHtmlDocument($contentHtml, $styleHtml)
42 {
43 if (!is_string($contentHtml) || !strlen(trim($contentHtml))) {
44 return $contentHtml;
45 }
46
47 $html = self::buildHtmlDocument($contentHtml, $styleHtml);
48
49 $dom = new DOMDocument("1.0", "utf-8");
50 if (!@$dom->loadHTML($html)) {
51 return $html;
52 }
53
54 $invalid_elements = array();
55
56 $script_elements = $dom->getElementsByTagName('script');
57 foreach ($script_elements as $elm) {
58 $invalid_elements[] = $elm;
59 }
60
61 foreach ($invalid_elements as $elm) {
62 $elm->parentNode->removeChild($elm);
63 }
64
65 // remove noprint elems as tcpdf will make empty pdf when hidden by css rules
66 $domX = new DomXPath($dom);
67 foreach ($domX->query("//*[contains(@class, 'noprint')]") as $node) {
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) {
76 $uid = 'img_src_' . uniqid();
77 $src = $elm->getAttribute('src');
78
79 $elm->setAttribute('src', $uid);
80
81 $img_src_map[$uid] = $src;
82 }
83
84 $cleaned_html = $dom->saveHTML();
85
86 foreach ($img_src_map as $uid => $src) {
87 $cleaned_html = str_replace($uid, $src, $cleaned_html);
88 }
89
90 if (!$cleaned_html) {
91 return $html;
92 }
93
94 return $cleaned_html;
95 }
96
97 public static function generatePDF($pdf_output, $output_mode, $filename = null, $purpose = null)
98 {
99 $pdf_output = self::preprocessHTML($pdf_output);
100
101 if (substr($filename, strlen($filename) - 4, 4) != '.pdf') {
102 $filename .= '.pdf';
103 }
104 $pdf_factory = new ilHtmlToPdfTransformerFactory();
105 return $pdf_factory->deliverPDFFromHTMLString($pdf_output, $filename, $output_mode, self::service, $purpose);
106 }
107
108 public static function preprocessHTML($html)
109 {
110 $html = self::makeHtmlDocument($html, '<style>' . self::getCssContent() . '</style>');
111
112 return $html;
113 }
114
115 protected static function getTemplatePath($a_filename, $module_path = 'Modules/Test/')
116 {
117 // use ilStyleDefinition instead of account to get the current skin
118 include_once "Services/Style/System/classes/class.ilStyleDefinition.php";
119 if (ilStyleDefinition::getCurrentSkin() != "default") {
120 $fname = "./Customizing/global/skin/" .
121 ilStyleDefinition::getCurrentSkin() . "/" . $module_path . basename($a_filename);
122 }
123
124 if ($fname == "" || !file_exists($fname)) {
125 $fname = "./" . $module_path . "templates/default/" . basename($a_filename);
126 }
127 return $fname;
128 }
129
130 protected static function getCssContent()
131 {
132 $cssContent = file_get_contents(self::getTemplatePath('delos.css', ''));
133 $cssContent .= file_get_contents(self::getTemplatePath('test_pdf.css'));
134
135 return $cssContent;
136 }
137}
$filename
$filename
Definition: buildRTE.php:89
php
An exception for terminatinating execution or to throw for unit testing.
ilHtmlToPdfTransformerFactory
Class ilHtmlToPdfTransformerFactory.
Definition: class.ilHtmlToPdfTransformerFactory.php:11
ilStyleDefinition\getCurrentSkin
static getCurrentSkin()
get the current skin
Definition: class.ilStyleDefinition.php:111
ilTestPDFGenerator
Class ilTestPDFGenerator.
Definition: class.ilTestPDFGenerator.php:17
ilTestPDFGenerator\getTemplatePath
static getTemplatePath($a_filename, $module_path='Modules/Test/')
Definition: class.ilTestPDFGenerator.php:115
ilTestPDFGenerator\generatePDF
static generatePDF($pdf_output, $output_mode, $filename=null, $purpose=null)
Definition: class.ilTestPDFGenerator.php:97
ilTestPDFGenerator\buildHtmlDocument
static buildHtmlDocument($contentHtml, $styleHtml)
Definition: class.ilTestPDFGenerator.php:24
$html
$html
Definition: example_001.php:87