public/main/lp/openoffice_presentation.class.php
<?php
/* For licensing terms, see /license.txt */
/**
* Defines the OpenofficeDocument class, which is meant as a conversion
* tool from Office presentations (.ppt, .sxi, .odp, .pptx) to
* learning paths.
*
* @author Eric Marguin <eric.marguin@dokeos.com>
* @license GNU/GPL
*/
class OpenofficePresentation extends OpenofficeDocument
{
public $take_slide_name;
public function __construct($take_slide_name = false, $course_code = null, $resource_id = null, $user_id = null)
{
$this->take_slide_name = $take_slide_name;
parent::__construct($course_code, $resource_id, $user_id);
}
public function make_lp($files = [])
{
$_course = api_get_course_info();
$previous = 0;
$i = 0;
if (!is_dir($this->base_work_dir.$this->created_dir)) {
return false;
}
$dir = $this->created_dir;
if ('/' !== substr($dir, -1, 1)) {
$dir .= '/';
}
foreach ($files as $file) {
/* '||' is used as separator between fields:
slide name (with accents) || file name (without accents) || all slide text (to be indexed).
*/
list($slide_name, $file_name, $slide_body) = explode('||', $file);
// Filename is utf8 encoded, but when we decode, some chars are not translated (like quote ’).
// so we remove these chars by translating it in htmlentities and the reconvert it in want charset.
$slide_name = api_htmlentities($slide_name, ENT_COMPAT);
$slide_name = str_replace('’', '\'', $slide_name);
$slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
$slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
if (true === $this->take_slide_name) {
$slide_name = str_replace('_', ' ', $slide_name);
$slide_name = api_ucfirst($slide_name);
} else {
$slide_name = 'slide'.str_repeat('0', 2 - strlen($i)).$i;
}
if (!is_file($this->base_work_dir.$dir.$file_name) or 0 == filesize($this->base_work_dir.$dir.$file_name)) {
continue;
}
$i++;
if ('/' == substr($file_name, -1, 1)) {
$file_name = substr($file_name, 0, -1);
}
// Add the png to documents.
$document_id = add_document(
$_course,
$dir.urlencode($file_name),
'file',
filesize($this->base_work_dir.$dir.$file_name),
$slide_name
);
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
api_get_user_id(),
0,
0,
null,
null,
api_get_session_id()
);
// Generating the thumbnail.
$image = $this->base_work_dir.$dir.$file_name;
$pattern = '/(\w+)\.png$/';
$replacement = '${1}_thumb.png';
$thumb_name = preg_replace($pattern, $replacement, $file_name);
// Calculate thumbnail size.
$image_size = api_getimagesize($image);
$width = $image_size['width'];
$height = $image_size['height'];
$thumb_width = 300;
$thumb_height = floor($height * ($thumb_width / $width));
$my_new_image = new Image($image);
$my_new_image->resize($thumb_width, $thumb_height);
$my_new_image->send_image($this->base_work_dir.$dir.$thumb_name, -1, 'png');
// Adding the thumbnail to documents.
$document_id_thumb = add_document(
$_course,
$dir.urlencode($thumb_name),
'file',
filesize($this->base_work_dir.$dir.$thumb_name),
$slide_name
);
api_item_property_update(
$_course,
TOOL_THUMBNAIL,
$document_id_thumb,
'DocumentAdded',
api_get_user_id(),
0,
0
);
// Create an html file.
$html_file = $file_name.'.html';
$fp = fopen($this->base_work_dir.$dir.$html_file, 'w+');
$slide_src = api_get_path(REL_COURSE_PATH).$_course['path'].'/document/'.$dir.utf8_encode($file_name);
$slide_src = str_replace('\/\/', '/', $slide_src);
fwrite(
$fp,
'<html>
<head>
</head>
<body>
<img src="'.$slide_src.'" />
</body>
</html>'
); // This indentation is to make the generated html files to look well.
fclose($fp);
$document_id = add_document(
$_course,
$dir.urlencode($html_file),
'file',
filesize($this->base_work_dir.$dir.$html_file),
$slide_name
);
if ($document_id) {
// Put the document in item_property update.
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
api_get_user_id(),
0,
0,
null,
null,
api_get_session_id()
);
$previous = $this->add_item(
0,
$previous,
'document',
$document_id,
$slide_name,
''
);
if (0 == $this->first_item) {
$this->first_item = intval($previous);
}
}
// Code for text indexing.
if ('true' == api_get_setting('search_enabled')) {
if (isset($_POST['index_document']) && $_POST['index_document']) {
$di = new ChamiloIndexer();
isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
$di->connectDb(null, null, $lang);
$ic_slide = new IndexableChunk();
$ic_slide->addValue('title', $slide_name);
$specific_fields = get_specific_field_list();
$all_specific_terms = '';
foreach ($specific_fields as $specific_field) {
if (isset($_REQUEST[$specific_field['code']])) {
$sterms = trim($_REQUEST[$specific_field['code']]);
$all_specific_terms .= ' '.$sterms;
if (!empty($sterms)) {
$sterms = explode(',', $sterms);
foreach ($sterms as $sterm) {
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
}
}
}
}
$slide_body = $all_specific_terms.' '.$slide_body;
$ic_slide->addValue('content', $slide_body);
/* FIXME: cidReq:lp_id:doc_id al indexar */
// Add a comment to say terms separated by commas.
$courseid = api_get_course_id();
$ic_slide->addCourseId($courseid);
$ic_slide->addToolId(TOOL_LEARNPATH);
$lp_id = $this->lp_id;
$xapian_data = [
SE_COURSE_ID => $courseid,
SE_TOOL_ID => TOOL_LEARNPATH,
SE_DATA => ['lp_id' => $lp_id, 'lp_item' => $previous, 'document_id' => $document_id],
SE_USER => (int) api_get_user_id(),
];
$ic_slide->xapian_data = serialize($xapian_data);
$di->addChunk($ic_slide);
// Index and return search engine document id.
$did = $di->index();
if ($did) {
// Save it to db.
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, ref_id_second_level, search_did)
VALUES (NULL , \'%s\', \'%s\', %s, %s, %s)';
$sql = sprintf($sql, $tbl_se_ref, api_get_course_id(), TOOL_LEARNPATH, $lp_id, $previous, $did);
Database::query($sql);
}
}
}
}
}
public function add_command_parameters()
{
if (empty($this->slide_width) || empty($this->slide_height)) {
list($this->slide_width, $this->slide_height) = explode('x', api_get_setting('service_ppt2lp', 'size'));
}
return ' -w '.$this->slide_width.' -h '.$this->slide_height.' -d oogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'.html"';
}
public function set_slide_size($width, $height)
{
$this->slide_width = $width;
$this->slide_height = $height;
}
public function add_docs_to_visio($files = [])
{
$_course = api_get_course_info();
foreach ($files as $file) {
// '||' is used as separator between slide name (with accents) and file name (without accents).
list($slide_name, $file_name) = explode('||', $file);
$slide_name = api_htmlentities($slide_name, ENT_COMPAT);
$slide_name = str_replace('’', '\'', $slide_name);
$slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
$slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
$did = add_document(
$_course,
$this->created_dir.'/'.urlencode($file_name),
'file',
filesize($this->base_work_dir.$this->created_dir.'/'.$file_name),
$slide_name
);
if ($did) {
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$did,
'DocumentAdded',
api_get_user_id(),
0,
null,
null,
null,
api_get_session_id()
);
}
}
}
}