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chamilo-lms
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Converting the pdf.lib.php class from static to obj + fixing wiki to pdf method see BT#1670 & #1909

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skala
Julio Montoya 14 years ago
parent 993845fca7
commit f5a9f061f3
6 changed files with 322 additions and 143 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 5
      main/inc/lib/document.lib.php
  2. 321
      main/inc/lib/pdf.lib.php
  3. 3
      main/newscorm/learnpath.class.php
  4. 1
      main/wiki/export_mpdf.php
  5. 27
      main/wiki/index.php
  6. 108
      main/wiki/wiki.inc.php

5
main/inc/lib/document.lib.php
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@ -1758,10 +1758,11 @@ class DocumentManager {
public function export_to_pdf($document_id, $course_code) {
require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
$course_data = api_get_course_info($course_code);
$course_data = api_get_course_info($course_code);
$document_data = self::get_document_data_by_id($document_id, $course_code);
$file_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document'.$document_data['path'];
PDF::html_to_pdf($file_path, $document_data['title'], $course_code);
$pdf = new PDF();
$pdf->html_to_pdf($file_path, $document_data['title'], $course_code);
}
}
//end class DocumentManager

321
main/inc/lib/pdf.lib.php
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@ -7,21 +7,25 @@ define('_MPDF_PATH', api_get_path(LIBRARY_PATH).'mpdf/');
require_once _MPDF_PATH.'mpdf.php';
class PDF {
private function __construct() {
}
var $pdf;
public function __construct() {
$this->pdf = $pdf = new mPDF('UTF-8', 'A4', '', '', 30, 20, 27, 25, 16, 13, 'P');
}
/**
* Converts an html file to a pdf
* @param mixed could be an html path or an array with html paths
* @param string course code
* @return string the pdf path
* Converts an html file to PDF
* @param mixed could be an html file path or an array with paths example: /var/www/myfile.html or array('/myfile.html','myotherfile.html')
* @param string pdf name
* @param string course code (if you are using html that are located in the document tool you must provide this)
* @return
*/
public function html_to_pdf($html_file_array, $pdf_name = '', $course_code = null) {
if (empty($html_file_array)) {
return false;
}
}
if (is_array($html_file_array)) {
if (count($html_file_array) == 0)
return false;
@ -42,94 +46,10 @@ class PDF {
'@<script[^>]*?>.*?</script>@si',
'@<style[^>]*?>.*?</style>@siU'
);
//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')
$pdf = new mPDF('UTF-8', 'A4', '', '', 30, 20, 27, 25, 16, 13, 'P');
// $pdf->SetBasePath($basehref);
//Formatting the pdf
self::format_pdf($course_code);
$pdf->directionality = api_get_text_direction(); // TODO: To be read from the html document.
$pdf->useOnlyCoreFonts = true;
$pdf->mirrorMargins = 1; // Use different Odd/Even headers and footers and mirror margins
$pdf->defaultheaderfontsize = 10; // in pts
$pdf->defaultheaderfontstyle = BI; // blank, B, I, or BI
$pdf->defaultheaderline = 1; // 1 to include line below header/above footer
$my_header = self::get_header($course_code);
$pdf->SetHeader($my_header);// ('{DATE j-m-Y}|{PAGENO}/{nb}|'.$title);
$pdf->defaultfooterfontsize = 12; // in pts
$pdf->defaultfooterfontstyle = B; // blank, B, I, or BI
$pdf->defaultfooterline = 1; // 1 to include line below header/above footer
//@todo remove this and use a simpler way
$footer = array (
'odd' => array (
'L' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'C' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'R' => array (
'content' => '{PAGENO}',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'line' => 1,
),
'even' => array (
'L' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'C' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'R' => array (
'content' => '{PAGENO}',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'line' => 1,
),
);
$pdf->SetFooter($footer); // defines footer for Odd and Even Pages - placed at Outer margin http://mpdf1.com/manual/index.php?tid=151&searchstring=setfooter
if (api_get_setting('pdf_export_watermark_enable') == 'true') {
$watermark_file = self::get_watermark($course_code);
if (!empty($watermark_file)) {
//http://mpdf1.com/manual/index.php?tid=269&searchstring=watermark
$pdf->SetWatermarkImage($watermark_file);
$pdf->showWatermarkImage = true;
}
}
/*$pdf->SetAuthor('Documents Chamilo');
$pdf->SetTitle('title');
$pdf->SetSubject('Exported from Chamilo Documents');
$pdf->SetKeywords('Chamilo Documents');
*/
foreach ($html_file_array as $html_file) {
if (!file_exists($html_file)) {
continue;
@ -193,9 +113,9 @@ class PDF {
// At the moment the title is retrieved from the html document itself.
if (empty($title)) {
$title = $filename; // Here file name is expected to contain ASCII symbols only.
}
}
//var_dump($document_html);
$pdf->WriteHTML($document_html,2);
$this->pdf->WriteHTML($document_html,2);
}
if (empty($pdf_name)) {
@ -203,10 +123,106 @@ class PDF {
} else {
$output_file = $pdf_name.'.pdf';
}
$result = $pdf->Output($output_file, 'D'); /// F to save the pdf in a file
$result = $this->pdf->Output($output_file, 'D'); /// F to save the pdf in a file
exit;
}
/**
* Converts an html string to PDF
* @param string valid html
* @param string pdf name
* @param string course code (if you are using html that are located in the document tool you must provide this)
* @return
*/
public function content_to_pdf($document_html, $css = '', $pdf_name = '', $course_code = null) {
if (empty($document_html)) {
return false;
}
//clean styles and javascript document
$clean_search = array (
'@<script[^>]*?>.*?</script>@si',
'@<style[^>]*?>.*?</style>@siU'
);
//Formatting the pdf
self::format_pdf($course_code);
if (!empty($course_code)) {
$course_data = api_get_course_info($course_code);
}
$document_html = preg_replace($clean_search, '', $document_html);
//absolute path for frames.css //TODO: necessary?
$absolute_css_path=api_get_path(WEB_CODE_PATH).'css/'.api_get_setting('stylesheets').'/frames.css';
$document_html=str_replace('href="./css/frames.css"',$absolute_css_path, $document_html);
//$document_html=str_replace('<link rel="stylesheet" http://my.chamilo.net/main/css/chamilo/frames.css type="text/css" />','', $document_html);
$document_html= str_replace('../../','',$document_html);
$document_html= str_replace('../','',$document_html);
$document_html= str_replace('courses/'.$course_code.'/document/','',$document_html);
if (!empty($course_data['path'])) {
$document_path = api_get_path(WEB_COURSE_PATH).$course_data['path'].'/document/';
$doc = new DOMDocument();
$result = @$doc->loadHTML($document_html);
//Fixing only images @todo do the same thing with other elements
$elements = $doc->getElementsByTagName('img');
$replace_img_elements = array();
if (!empty($elements)) {
foreach($elements as $item) {
$old_src = $item->getAttribute('src');
//$old_src= str_replace('../','',$old_src);
if (strpos($old_src, 'http') === false) {
if (strpos($old_src, '/main/default_course_document') === false) {
if (strpos($old_src, '/main/inc/lib/') === false) {
$document_html= str_replace($old_src, $document_path.$old_src, $document_html);
//var_dump($old_src, $document_path.$old_src);
}
}
}
}
}
}
//replace relative path by absolute path for resources
//$document_html= str_replace('src="/chamilo/main/default_course_document/', 'temp_template_path', $document_html);// before save src templates not apply
//$document_html= str_replace('src="/', 'temp_template_path', $document_html);// before save src templates not apply
//$document_html= str_replace('src="/chamilo/main/default_course_document/', 'temp_template_path', $document_html);// before save src templates not apply
//$src_http_www= 'src="'.api_get_path(WEB_COURSE_PATH).$course_data['path'].'/document/';
//$document_html= str_replace('src="',$src_http_www, $document_html);
//$document_html= str_replace('temp_template_path', 'src="/main/default_course_document/', $document_html);// restore src templates
api_set_encoding_html($document_html, 'UTF-8'); // The library mPDF expects UTF-8 encoded input data.
$title = api_get_title_html($document_html, 'UTF-8', 'UTF-8'); // TODO: Maybe it is better idea the title to be passed through
// $_GET[] too, as it is done with file name.
// At the moment the title is retrieved from the html document itself.
/* if (empty($title)) {
$title = $filename; // Here file name is expected to contain ASCII symbols only.
}*/
if (!empty($css)) {
$this->pdf->WriteHTML($css, 1);
}
$this->pdf->WriteHTML($document_html,2);
if (empty($pdf_name)) {
$output_file = 'pdf_'.date('Y-m-d-his').'.pdf';
} else {
$output_file = $pdf_name.'.pdf';
}
$result = $this->pdf->Output($output_file, 'D'); /// F to save the pdf in a file
exit;
}
/**
* Gets the watermark from the platform or a course
* @param string course code (optional)
@ -258,8 +274,7 @@ class PDF {
} else {
$store_path = api_get_path(SYS_CODE_PATH).'default_course_document'; // course path
$web_path = api_get_path(WEB_CODE_PATH).'default_course_document/'.api_get_current_access_url_id().'_pdf_watermark.png';
}
}
$course_image = $store_path.'/'.api_get_current_access_url_id().'_pdf_watermark.png';
$extension = strtolower(substr(strrchr($filename, '.'), 1));
$result = false;
@ -296,15 +311,113 @@ class PDF {
* Returns the default header
*/
public function get_header($course_code = null) {
$header = '';
$header = '';
if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') {
$header = api_get_course_setting('pdf_export_watermark_text');
} else {
$header = api_get_setting('pdf_export_watermark_text');
}
return $header;
return $header;
}
public function set_footer() {
$this->pdf->defaultfooterfontsize = 12; // in pts
$this->pdf->defaultfooterfontstyle = B; // blank, B, I, or BI
$this->pdf->defaultfooterline = 1; // 1 to include line below header/above footer
//@todo remove this and use a simpler way
$footer = array (
'odd' => array (
'L' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'C' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'R' => array (
'content' => '{PAGENO}',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'line' => 1,
),
'even' => array (
'L' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'C' => array (
'content' => '',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'R' => array (
'content' => '{PAGENO}',
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'line' => 1,
),
);
}
$this->pdf->SetFooter($footer); // defines footer for Odd and Even Pages - placed at Outer margin http://mpdf1.com/manual/index.php?tid=151&searchstring=setfooter
}
public function set_header($course_code) {
// $pdf->SetBasePath($basehref);
$this->pdf->defaultheaderfontsize = 10; // in pts
$this->pdf->defaultheaderfontstyle = BI; // blank, B, I, or BI
$this->pdf->defaultheaderline = 1; // 1 to include line below header/above footer
$my_header = self::get_header($course_code);
$this->pdf->SetHeader($my_header);// ('{DATE j-m-Y}|{PAGENO}/{nb}|'.$title);
}
public function format_pdf($course_code) {
/*$pdf->SetAuthor('Documents Chamilo');
$pdf->SetTitle('title');
$pdf->SetSubject('Exported from Chamilo Documents');
$pdf->SetKeywords('Chamilo Documents');
*/
$this->pdf->directionality = api_get_text_direction(); // TODO: To be read from the html document.
$this->pdf->useOnlyCoreFonts = true;
$this->pdf->mirrorMargins = 1; // Use different Odd/Even headers and footers and mirror margins
//Adding watermark
if (api_get_setting('pdf_export_watermark_enable') == 'true') {
$watermark_file = self::get_watermark($course_code);
if (!empty($watermark_file)) {
//http://mpdf1.com/manual/index.php?tid=269&searchstring=watermark
$this->pdf->SetWatermarkImage($watermark_file);
$this->pdf->showWatermarkImage = true;
}
}
self::set_header($course_code);
self::set_footer();
}
}
?>

3
main/newscorm/learnpath.class.php
Unescape View File

@ -8384,7 +8384,8 @@ EOD;
}
}
require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
$result = PDF::html_to_pdf($files_to_export, '', $this->cc);
$pdf = new PDF();
$result = $pdf->html_to_pdf($files_to_export, '', $this->cc);
return $result;
}

1
main/wiki/export_mpdf.php
Unescape View File

@ -5,6 +5,7 @@
* Export html to pdf
* @author Juan Carlos Raña <herodoto@telefonica.net>, initial code, 2009
* @author Ivan Tcholakov <ivantcholakov@gmail.com>, 2010
* @deprecated now we use the pdf.lib.php library for all pdf export issues
*/
require '../inc/global.inc.php';

27
main/wiki/index.php
Unescape View File

@ -54,10 +54,10 @@ function setFocus(){
// Database table definition
$tbl_wiki = Database::get_course_table(TABLE_WIKI);
$tbl_wiki_discuss = Database::get_course_table(TABLE_WIKI_DISCUSS);
$tbl_wiki_mailcue = Database::get_course_table(TABLE_WIKI_MAILCUE);
$tbl_wiki_conf = Database::get_course_table(TABLE_WIKI_CONF);
$tbl_wiki = Database::get_course_table(TABLE_WIKI);
$tbl_wiki_discuss = Database::get_course_table(TABLE_WIKI_DISCUSS);
$tbl_wiki_mailcue = Database::get_course_table(TABLE_WIKI_MAILCUE);
$tbl_wiki_conf = Database::get_course_table(TABLE_WIKI_CONF);
/*
Constants and variables
*/
@ -66,8 +66,8 @@ $tool_name = get_lang('ToolWiki');
$MonthsLong = array (get_lang("JanuaryLong"), get_lang("FebruaryLong"), get_lang("MarchLong"), get_lang("AprilLong"), get_lang("MayLong"), get_lang("JuneLong"), get_lang("JulyLong"), get_lang("AugustLong"), get_lang("SeptemberLong"), get_lang("OctoberLong"), get_lang("NovemberLong"), get_lang("DecemberLong"));
//condition for the session
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id);
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id);
/*
ACCESS
@ -116,6 +116,12 @@ if ($_SESSION['_gid'] OR $_GET['group_id']) {
$groupfilter='group_id=0';
}
if ($_POST['action']=='export_to_pdf' && isset($_POST['wiki_id']) ) {
export_to_pdf($_POST['wiki_id'], api_get_course_id());
}
Display::display_header($tool_name, 'Wiki');
$is_allowed_to_edit = api_is_allowed_to_edit(false,true);
@ -338,15 +344,12 @@ if ($_GET['action']=='deletewiki'){
if ($_GET['action']=='discuss' && $_POST['Submit']) {
Display::display_confirmation_message(get_lang('CommentAdded'));
Display::display_confirmation_message(get_lang('CommentAdded'));
}
/*
-----------------------------------------------------------
WIKI WRAPPER
-----------------------------------------------------------
*/
/* WIKI WRAPPER */
echo "<div id='wikiwrapper'>";

108
main/wiki/wiki.inc.php
Unescape View File

@ -1,17 +1,14 @@
<?php
/* For licensing terms, see /license.txt */
/**
*
* @Author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
* @Author Juan Carlos Raña <herodoto@telefonica.net>
* @author Juan Carlos Raña <herodoto@telefonica.net>
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium*
* @author Julio Montoya <gugli100@gmail.com> using the pdf.lib.php library
*
* @package chamilo.wiki
*/
/*
FUNCTIONS FOR WIKI
*/
/* FUNCTIONS FOR WIKI */
/**
@ -883,7 +880,8 @@ function display_wiki_entry($newtitle)
echo '<span style="float:right;padding-top:5px;">';
// Modified by Ivan Tcholakov, 28-JAN-2010.
//echo '<form name="form_export2PDF" method="post" action="export_html2pdf.php" target="_blank, fullscreen">';
echo '<form name="form_export2PDF" method="post" action="export_mpdf.php" target="_blank, fullscreen">';
/*echo '<form name="form_export2PDF" method="post" action="export_mpdf.php" target="_blank, fullscreen">';
//
echo '<input type=hidden name="titlePDF" value="'.api_htmlentities($title, ENT_QUOTES, $charset).'">';
$clean_pdf_content=trim(preg_replace("/\[\[|\]\]/", " ", $content));
@ -892,7 +890,14 @@ function display_wiki_entry($newtitle)
echo '<input type=hidden name="contentPDF" value="'.api_htmlentities($clean_pdf_content, ENT_QUOTES, $charset).'">';
echo '<input type="image" src="../img/wiki/wexport2pdf.gif" border ="0" title="'.get_lang('ExportToPDF').'" alt="'.get_lang('ExportToPDF').'" style=" border:none; margin-top: -6px">';
echo '</form>';
echo '</span>';
echo '</span>';*/
echo '<form name="form_export2PDF" method="post" action="index.php">';
echo '<input type="hidden" name="action" value="export_to_pdf">';
echo '<input type="hidden" name="wiki_id" value="'.$row['id'].'">';
echo '<input type="image" src="../img/wiki/wexport2pdf.gif" border ="0" title="'.get_lang('ExportToPDF').'" alt="'.get_lang('ExportToPDF').'" style=" border:none; margin-top: -6px">';
echo '</form>';
echo '</span>';
//page action: copy last version to doc area
if(api_is_allowed_to_edit(false,true) || api_is_platform_admin())
@ -1507,6 +1512,8 @@ function check_emailcue($id_or_ref, $type, $lastime='', $lastuser='')
$_clean['group_id']=(int)$_SESSION['_gid'];
$session_id=api_get_session_id();
$group_properties = GroupManager :: get_group_properties($_clean['group_id']);
$group_name= $group_properties['name'];
@ -1696,21 +1703,21 @@ function export2doc($wikiTitle, $wikiContents, $groupId)
$session_id=api_get_session_id();
$template =
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{LANGUAGE}" lang="{LANGUAGE}">
<head>
<title>{TITLE}</title>
<meta http-equiv="Content-Type" content="text/html; charset={ENCODING}" />
<style type="text/css" media="screen, projection">
/*<![CDATA[*/
{CSS}
/*]]>*/
</style>
</head>
<body dir="{TEXT_DIRECTION}">
{CONTENT}
</body>
</html>';
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{LANGUAGE}" lang="{LANGUAGE}">
<head>
<title>{TITLE}</title>
<meta http-equiv="Content-Type" content="text/html; charset={ENCODING}" />
<style type="text/css" media="screen, projection">
/*<![CDATA[*/
{CSS}
/*]]>*/
</style>
</head>
<body dir="{TEXT_DIRECTION}">
{CONTENT}
</body>
</html>';
$css_file = api_get_path(TO_SYS, WEB_CSS_PATH).api_get_setting('stylesheets').'/default.css';
if (file_exists($css_file)) {
@ -1767,6 +1774,42 @@ function export2doc($wikiTitle, $wikiContents, $groupId)
// TODO: link to go document area
}
function export_to_pdf($id, $course_code) {
require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
$data = get_wiki_data($id);
$content_pdf = api_html_entity_decode($data['content'], ENT_QUOTES, api_get_system_encoding());
$title_pdf = api_html_entity_decode($data['title'], ENT_QUOTES, api_get_system_encoding());
$title_pdf = api_utf8_encode($title_pdf, api_get_system_encoding());
$content_pdf = api_utf8_encode($content_pdf, api_get_system_encoding());
$html='
<!-- defines the headers/footers - this must occur before the headers/footers are set -->
<!--mpdf
<pageheader name="odds" content-left="'.$title_pdf.'" header-style-left="color: #880000; font-style: italic;" line="1" />
<pagefooter name="odds" content-right="{PAGENO}/{nb}" line="1" />
<!-- set the headers/footers - they will occur from here on in the document -->
<!--mpdf
<setpageheader name="odds" page="odd" value="on" show-this-page="1" />
<setpagefooter name="odds" page="O" value="on" />
mpdf-->'.$content_pdf;
$css_file = api_get_path(TO_SYS, WEB_CSS_PATH).api_get_setting('stylesheets').'/print.css';
if (file_exists($css_file)) {
$css = @file_get_contents($css_file);
} else {
$css = '';
}
$pdf = new PDF();
$pdf->content_to_pdf($html, $css, $title_pdf, $course_code);
exit;
}
/**
* Function prevent double post (reload or F5)
@ -2108,4 +2151,21 @@ function two_digits($number)
return ($number < 10) ? '0'.$number : $number;
}
/**
* Get wiki information
* @param int wiki id
* @return array wiki data
*/
function get_wiki_data($id) {
global $tbl_wiki;
$id = intval($id);
$sql='SELECT * FROM '.$tbl_wiki.' WHERE id = '.$id.' ';
$result=Database::query($sql);
$data = array();
while ($row=Database::fetch_array($result,'ASSOC')) {
$data = $row;
}
return $data;
}
?>
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