pdf = $pdf = new mPDF('UTF-8', $pageFormat, '', '', 30, 20, 27, 25, 16, 13, $orientation);
//left, right, top, bottom, margin_header, margin footer
$params['left'] = isset($params['left']) ? $params['left'] : 15;
$params['right'] = isset($params['right']) ? $params['right'] : 15;
$params['top'] = isset($params['top']) ? $params['top'] : 20;
$params['bottom'] = isset($params['bottom']) ? $params['bottom'] : 15;
$this->params['filename'] = isset($params['filename']) ? $params['filename'] : api_get_local_time();
$this->params['pdf_title'] = isset($params['pdf_title']) ? $params['pdf_title'] : get_lang('Untitled');
$this->params['course_info'] = isset($params['course_info']) ? $params['course_info'] : api_get_course_info();
$this->params['session_info'] = isset($params['session_info']) ? $params['session_info'] : api_get_session_info(api_get_session_id());
$this->params['course_code'] = isset($params['course_code']) ? $params['course_code'] : api_get_course_id();
$this->params['add_signatures'] = isset($params['add_signatures']) ? $params['add_signatures'] : false;
$this->params['show_real_course_teachers'] = isset($params['show_real_course_teachers']) ? $params['show_real_course_teachers'] : false;
$this->pdf = new mPDF(
'UTF-8',
$pageFormat,
'',
'',
$params['left'],
$params['right'],
$params['top'],
$params['bottom'],
8,
8,
$orientation
);
}
/**
* Export the given HTML to PDF, using a global template
* @param string $content the HTML content
*
* @uses export/table_pdf.tpl
*/
public function html_to_pdf_with_template($content)
{
global $_configuration;
Display :: display_no_header();
// Assignments
Display::$global_template->assign('pdf_content', $content);
$organization = api_get_setting('Institution');
$img = api_get_path(SYS_CODE_PATH).'css/'.api_get_visual_theme().'/images/header-logo.png';
// Search for classic logo
if (file_exists($img)) {
$img = api_get_path(WEB_CODE_PATH).'css/'.api_get_visual_theme().'/images/header-logo.png';
$organization = "";
} else {
// Just use the platform title.
if (!empty($organization)) {
$organization = '
'.$organization.'
';
}
}
// Use custom logo image.
if (isset($_configuration['pdf_logo_header']) &&
$_configuration['pdf_logo_header']
) {
$img = api_get_path(SYS_CODE_PATH).'css/'.api_get_visual_theme().'/images/pdf_logo_header.png';
if (file_exists($img)) {
$img = api_get_path(WEB_CODE_PATH) . 'css/' . api_get_visual_theme() . '/images/pdf_logo_header.png';
$organization = "";
}
}
Display::$global_template->assign('organization', $organization);
//Showing only the current teacher/admin instead the all teacher list name see BT#4080
if (isset($this->params['show_real_course_teachers']) &&
$this->params['show_real_course_teachers']
) {
if (isset($this->params['session_info']) &&
!empty($this->params['session_info'])
) {
$teacher_list = SessionManager::getCoachesByCourseSessionToString(
$this->params['session_info']['id'],
$this->params['course_code']
);
} else {
$teacher_list = CourseManager::get_teacher_list_from_course_code_to_string(
$this->params['course_code']
);
}
} else {
$user_info = api_get_user_info();
$teacher_list = $user_info['complete_name'];
}
Display::$global_template->assign('pdf_course', $this->params['course_code']);
Display::$global_template->assign('pdf_course_info', $this->params['course_info']);
Display::$global_template->assign('pdf_session_info', $this->params['session_info']);
Display::$global_template->assign('pdf_date', api_format_date(api_get_local_time(), DATE_TIME_FORMAT_LONG));
Display::$global_template->assign('pdf_teachers', $teacher_list);
Display::$global_template->assign('pdf_title', $this->params['pdf_title']);
Display::$global_template->assign('add_signatures', $this->params['add_signatures']);
// Getting template
$tpl = Display::$global_template->get_template('export/table_pdf.tpl');
$html = Display::$global_template->fetch($tpl);
$html = api_utf8_encode($html);
$css_file = api_get_path(TO_SYS, WEB_CSS_PATH).'/print.css';
$css = file_exists($css_file) ? @file_get_contents($css_file) : '';
self::content_to_pdf($html, $css, $this->params['filename'], $this->params['course_code']);
}
/**
* Converts HTML files to PDF
* @param mixed $html_file_array could be an html file path or an array
* with paths example:
* /var/www/myfile.html or array('/myfile.html','myotherfile.html') or
* even an indexed array with both 'title' and 'path' indexes
* for each element like
* array(
* 0 => array('title'=>'Hello','path'=>'file.html'),
* 1 => array('title'=>'Bye','path'=>'file2.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)
* @param bool Whether to print the header, footer and watermark (true) or just the content (false)
* @return bool
*/
public function html_to_pdf(
$html_file_array,
$pdf_name = '',
$course_code = null,
$print_title = false,
$complete_style = true
) {
if ($complete_style === false) {
error_log(__FUNCTION__.' with no style');
}
if (empty($html_file_array)) {
return false;
}
if (is_array($html_file_array)) {
if (count($html_file_array) == 0) {
return false;
}
} else {
if (!file_exists($html_file_array)) {
return false;
}
// Converting the string into an array
$html_file_array = array($html_file_array);
}
if (!empty($course_code)) {
$course_data = api_get_course_info($course_code);
} else {
$course_data = api_get_course_info();
}
// Clean styles and javascript document
$clean_search = array (
'@]*?>.*?@si',
'@]*?>.*?@si'
);
// Formatting the pdf
self::format_pdf($course_data, $complete_style);
$counter = 1;
foreach ($html_file_array as $file) {
//Add a page break per file
$page_break = '';
if ($counter == count($html_file_array)) {
$page_break = '';
}
$counter++;
//if the array provided contained subarrays with 'title' entry,
// then print the title in the PDF
if (is_array($file) && isset($file['title'])) {
$html_title = $file['title'];
$file = $file['path'];
} else {
//we suppose we've only been sent a file path
$html_title = basename($file);
}
if (empty($file) && !empty($html_title)) {
//this is a chapter, print title & skip the rest
if ($print_title) {
$this->pdf->WriteHTML(
'
'.$html_title.'
'.$page_break,
2
);
}
continue;
}
if (!file_exists($file)) {
//the file doesn't exist, skip
continue;
}
//it's not a chapter but the file exists, print its title
if ($print_title) {
$this->pdf->WriteHTML(
'
' . $html_title . '
',
2
);
}
$file_info = pathinfo($file);
$extension = $file_info['extension'];
if (in_array($extension, array('html', 'htm'))) {
$filename = $file_info['basename'];
$filename = str_replace('_',' ',$filename);
if ($extension == 'html') {
$filename = basename($filename,'.html');
} elseif($extension == 'htm'){
$filename = basename($filename,'.htm');
}
$document_html = @file_get_contents($file);
$document_html = preg_replace($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, $document_html);
if (!empty($course_data['path'])) {
$document_html= str_replace('../','', $document_html);
$document_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document/';
$doc = new DOMDocument();
$result = @$doc->loadHTML($document_html);
//Fixing only images @todo do the same thing with other elements
$elements = $doc->getElementsByTagName('img');
if (!empty($elements)) {
foreach ($elements as $item) {
$old_src = $item->getAttribute('src');
if (strpos($old_src, 'http') === false) {
if (strpos($old_src, '/main/default_course_document') === false) {
$old_src_fixed = '';
if (strpos($old_src, '/main/img') === false) {
if (api_get_path(REL_PATH) != '/') {
$old_src_fixed = str_replace(api_get_path(REL_PATH).'courses/'.$course_data['path'].'/document/', '', $old_src);
} else {
$old_src_fixed = str_replace('courses/'.$course_data['path'].'/document/', '', $old_src);
}
$new_path = $document_path.$old_src_fixed;
} else {
$new_path = $old_src;
}
$document_html= str_replace($old_src, $new_path, $document_html);
}
} else {
//Check if this is a complete URL
/*if (strpos($old_src, 'courses/'.$course_data['path'].'/document/') === false) {
} else {
$old_src_fixed = str_replace(api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document/', '', $old_src);
$new_path = $document_path.$old_src_fixed;
$document_html= str_replace($old_src, $new_path, $document_html);
}*/
}
}
}
}
api_set_encoding_html($document_html, 'UTF-8'); // The library mPDF expects UTF-8 encoded input data.
// TODO: Maybe it is better idea the title to be passed through
$title = api_get_title_html($document_html, 'UTF-8', 'UTF-8');
// $_GET[] too, as it is done with file name.
// At the moment the title is retrieved from the html document itself.
//echo $document_html;exit;
if (empty($title)) {
$title = $filename; // Here file name is expected to contain ASCII symbols only.
}
if (!empty($document_html)) {
$this->pdf->WriteHTML($document_html.$page_break, 2);
}
} elseif (in_array($extension, array('jpg','jpeg','png','gif'))) {
//Images
$image = Display::img($file);
$this->pdf->WriteHTML(''.$image.''.$page_break, 2);
}
}
if (empty($pdf_name)) {
$output_file = 'pdf_'.date('Y-m-d-his').'.pdf';
} else {
$pdf_name = replace_dangerous_char($pdf_name);
$output_file = $pdf_name.'.pdf';
}
// F to save the pdf in a file
$this->pdf->Output($output_file, 'D');
exit;
}
/**
* Converts an html string to PDF
* @param string $document_html valid html
* @param string $css CSS content of a CSS file
* @param string $pdf_name pdf name
* @param string $course_code course code
* (if you are using html that are located in the document tool you must provide this)
* @return string Web path
*/
public function content_to_pdf(
$document_html,
$css = '',
$pdf_name = '',
$course_code = null
) {
global $_configuration;
if (empty($document_html)) {
return false;
}
//clean styles and javascript document
$clean_search = array (
'@]*?>.*?@si',
'@]*?>.*?@siU'
);
// Formatting the pdf
$course_data = api_get_course_info($course_code);
self::format_pdf($course_data);
$document_html = preg_replace($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';
$document_html = str_replace('href="./css/frames.css"','href="'.$absolute_css_path.'"', $document_html);
//$document_html=str_replace('','', $document_html);
$document_html= str_replace('../../','',$document_html);
$document_html= str_replace('../','',$document_html);
$document_html= str_replace((empty($_configuration['url_append'])?'':$_configuration['url_append'].'/').'courses/'.$course_code.'/document/','',$document_html);
if (!empty($course_data['path'])) {
$document_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document/';
$doc = new DOMDocument();
$result = @$doc->loadHTML($document_html);
//Fixing only images @todo do the same thing with other elements
$elements = $doc->getElementsByTagName('img');
if (!empty($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) {
$old_src_fixed = str_replace('/courses/'.$course_data['path'].'/document/', '', $old_src);
$old_src_fixed = str_replace('courses/'.$course_data['path'].'/document/', '', $old_src_fixed);
$new_path = $document_path.$old_src_fixed;
$document_html= str_replace($old_src, $new_path, $document_html);
}
}
}
}
}
}
//replace relative path by absolute path for resources
//$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
// $_GET[] too, as it is done with file name.
// At the moment the title is retrieved from the html document itself.
if (!empty($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 {
$pdf_name = replace_dangerous_char($pdf_name);
$output_file = $pdf_name.'.pdf';
}
$this->pdf->Output($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)
* @param mixed web path of the watermark image, false if there is nothing to return
*/
public static function get_watermark($course_code = null)
{
$web_path = false;
if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') {
$course_info = api_get_course_info($course_code);
$store_path = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/'.api_get_current_access_url_id().'_pdf_watermark.png'; // course path
if (file_exists($store_path)) {
$web_path = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/'.api_get_current_access_url_id().'_pdf_watermark.png';
}
} else {
$store_path = api_get_path(SYS_CODE_PATH).'default_course_document/images/'.api_get_current_access_url_id().'_pdf_watermark.png'; // course path
if (file_exists($store_path))
$web_path = api_get_path(WEB_CODE_PATH).'default_course_document/images/'.api_get_current_access_url_id().'_pdf_watermark.png';
}
return $web_path;
}
/**
* Deletes the watermark from the Platform or Course
* @param string $course_code course code (optional)
* @param mixed web path of the watermark image, false if there is nothing to return
*/
public function delete_watermark($course_code = null)
{
if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') {
$course_info = api_get_course_info($course_code);
// course path
$store_path = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/'.api_get_current_access_url_id().'_pdf_watermark.png';
} else {
// course path
$store_path = api_get_path(SYS_CODE_PATH).'default_course_document/images/'.api_get_current_access_url_id().'_pdf_watermark.png';
}
if (file_exists($store_path)) {
unlink($store_path);
return true;
}
return false;
}
/**
* Uploads the pdf watermark in the main/default_course_document directory or in the course directory
* @param string $filename filename
* @param string $source_file path of the file
* @param string $course_code
* @return mixed web path of the file if sucess, false otherwise
*/
public function upload_watermark($filename, $source_file, $course_code = null)
{
if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') {
$course_info = api_get_course_info($course_code);
$store_path = api_get_path(SYS_COURSE_PATH).$course_info['path']; // course path
$web_path = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/pdf_watermark.png';
} else {
$store_path = api_get_path(SYS_CODE_PATH).'default_course_document/images'; // course path
$web_path = api_get_path(WEB_CODE_PATH).'default_course_document/images/'.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));
$result = false;
if (file_exists($course_image)) {
@unlink($course_image);
}
$my_image = new Image($source_file);
$result = $my_image->send_image($course_image, -1, 'png');
if ($result) {
$result = $web_path;
}
return $result;
}
/**
* Returns the default header
*/
public function get_header($course_code = null)
{
/*$header = api_get_setting('pdf_export_watermark_text');
if (!empty($course_code) && api_get_setting('pdf_export_watermark_by_course') == 'true') {
$header = api_get_course_setting('pdf_export_watermark_text');
}
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
$platform_name = api_get_setting('Institution');
$left_content = $platform_name;
$center_content = '';
$right_content = '{PAGENO} / {nb}';
//@todo remove this and use a simpler way
$footer = array(
'odd' => array(
'L' => array(
'content' => $left_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color' => '#000000'
),
'C' => array(
'content' => $center_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color' => '#000000'
),
'R' => array(
'content' => $right_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color' => '#000000'
),
'line' => 1,
),
'even' => array(
'L' => array(
'content' => $left_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color' => '#000000'
),
'C' => array(
'content' => $center_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color' => '#000000'
),
'R' => array(
'content' => $right_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color' => '#000000'
),
'line' => 1,
),
);
// defines footer for Odd and Even Pages - placed at Outer margin see http://mpdf1.com/manual/index.php?tid=151&searchstring=setfooter
$this->pdf->SetFooter($footer);
}
/**
* @param array $course_data
*/
public function set_header($course_data)
{
$this->pdf->defaultheaderfontsize = 10; // in pts
$this->pdf->defaultheaderfontstyle = 'BI'; // blank, B, I, or BI
$this->pdf->defaultheaderline = 1; // 1 to include line below header/above footer
if (!empty($course_data['code'])) {
$teacher_list = CourseManager::get_teacher_list_from_course_code($course_data['code']);
$teachers = '';
if (!empty($teacher_list)) {
foreach ($teacher_list as $teacher) {
$teachers[]= $teacher['firstname'].' '.$teacher['lastname'];
}
if (count($teachers) > 1) {
$teachers = get_lang('Teachers').': '.implode(', ', $teachers);
} else {
$teachers = get_lang('Teacher').': '.implode('', $teachers);
}
// Do not show the teacher list see BT#4080 only the current teacher name
$user_info = api_get_user_info();
$teachers = $user_info['complete_name'];
}
$left_content = '';
$center_content = '';
$right_content = $teachers;
$header = array(
'odd' => array(
'L' => array(
'content' => $left_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'C' => array(
'content' => $center_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'R' => array(
'content' => $right_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'line' => 1,
),
'even' => array(
'L' => array(
'content' => $left_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'C' => array(
'content' => $center_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'R' => array(
'content' => $right_content,
'font-size' => 10,
'font-style' => 'B',
'font-family' => 'serif',
'color'=>'#000000'
),
'line' => 1,
),
);
$this->pdf->SetHeader($header);// ('{DATE j-m-Y}|{PAGENO}/{nb}|'.$title);
}
}
/**
* @param string $header html content
*/
public function set_custom_header($header)
{
$this->custom_header = $header;
}
/**
* @param string $footer html content
*/
public function set_custom_footer($footer)
{
$this->custom_footer = $footer;
}
/**
* Pre-formats a PDF to the right size and, if not stated otherwise, with
* header, footer and watermark (if any)
* @param array $course_data General course information (to fill headers)
* @param bool $complete Whether we want headers, footers and watermark or not
*/
public function format_pdf($course_data, $complete = true)
{
if ($complete === false) {
error_log('Asked with no decoration');
}
$course_code = null;
if (!empty($course_data)) {
$course_code = $course_data['code'];
}
/*$pdf->SetAuthor('Documents Chamilo');
$pdf->SetTitle('title');
$pdf->SetSubject('Exported from Chamilo Documents');
$pdf->SetKeywords('Chamilo Documents');
*/
// TODO: To be read from the html document.
$this->pdf->directionality = api_get_text_direction();
$this->pdf->useOnlyCoreFonts = true;
// Use different Odd/Even headers and footers and mirror margins
$this->pdf->mirrorMargins = 1;
// Add decoration only if not stated otherwise
if ($complete) {
// Adding watermark
if (api_get_setting('pdf_export_watermark_enable') == 'true') {
$watermark_file = self::get_watermark($course_code);
if ($watermark_file) {
//http://mpdf1.com/manual/index.php?tid=269&searchstring=watermark
$this->pdf->SetWatermarkImage($watermark_file);
$this->pdf->showWatermarkImage = true;
} else {
$watermark_file = self::get_watermark(null);
if ($watermark_file) {
$this->pdf->SetWatermarkImage($watermark_file);
$this->pdf->showWatermarkImage = true;
}
}
if ($course_code) {
$watermark_text = api_get_course_setting('pdf_export_watermark_text');
if (empty($watermark_text)) {
$watermark_text = api_get_setting('pdf_export_watermark_text');
}
} else {
$watermark_text = api_get_setting('pdf_export_watermark_text');
}
if (!empty($watermark_text)) {
$this->pdf->SetWatermarkText(strcode2utf($watermark_text),0.1);
$this->pdf->showWatermarkText = true;
}
}
if (empty($this->custom_header)) {
self::set_header($course_data);
} else {
$this->pdf->SetHTMLHeader($this->custom_header,'E');
$this->pdf->SetHTMLHeader($this->custom_header,'O');
}
if (empty($this->custom_footer)) {
self::set_footer();
} else {
$this->pdf->SetHTMLFooter($this->custom_footer);
}
}
}
}