* @license GNU/GPL
*/
/**
* Defines the "OpenofficeText" child of class "learnpath"
*/
require_once 'openoffice_document.class.php';
if (api_get_setting('search_enabled') == 'true') {
require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
}
/**
* @package chamilo.learnpath.OpenofficeDocument
*/
class OpenofficeText extends OpenofficeDocument {
public $split_steps;
/**
* Class constructor. Calls the parent class and initialises the local attribute split_steps
* @param boolean Whether to split steps (true) or make one large page (false)
* @param string Course code
* @param integer Resource ID
* @param integer Creator user id
*/
public function __construct($split_steps = false, $course_code = null, $resource_id = null, $user_id = null) {
$this -> split_steps = $split_steps;
parent::__construct($course_code, $resource_id, $user_id);
}
/**
* Gets html pages and compose them into a learning path
* @param array The files that will compose the generated learning path. Unused so far.
* @return boolean False if file does not exit. Nothing otherwise.
*/
public function make_lp($files = array())
{
$_course = api_get_course_info();
// We get a content where ||page_break|| indicates where the page is broken.
if (!file_exists($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html')) { return false; }
$content = file_get_contents($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');
unlink($this->base_work_dir.'/'.$this->file_path);
unlink($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');
// The file is utf8 encoded and it seems to make problems with special quotes.
// Then we htmlentities that, we replace these quotes and html_entity_decode that in good charset.
$charset = api_get_system_encoding();
$content = api_htmlentities($content, ENT_COMPAT, $this->original_charset);
$content = str_replace('’', '\'', $content);
$content = api_convert_encoding($content, $charset, $this->original_charset);
$content = str_replace($this->original_charset, $charset, $content);
$content = api_html_entity_decode($content, ENT_COMPAT, $charset);
// Set the path to pictures to absolute (so that it can be modified in fckeditor).
$content = preg_replace("|src=\"([^\"]*)|i", "src=\"".api_get_path(REL_COURSE_PATH).$_course['path'].'/document'.$this->created_dir."/\\1", $content);
list($header, $body) = explode('
\r\n";
$style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/default.css";'."\n";
$style_to_import .= "\r\n";
$header = preg_replace("||i", "\r\n$style_to_import\r\n\\0", $header);
// Line break before and after picture.
$header = str_replace('p {', 'p {clear:both;', $header);
$header = str_replace('absolute', 'relative', $header);
switch ($this->split_steps) {
case 'per_page':
$this -> dealPerPage($header, $body);
break;
case 'per_chapter':
$this -> dealPerChapter($header, $body);
break;
}
}
/**
* Manages dir/chapter splitting
* @param string Chapter header
* @param string Content
* @return void
*/
public function dealPerChapter($header, $content)
{
$_course = api_get_course_info();
$content = str_replace('||page_break||', '', $content);
// Get all the h1.
preg_match_all("|]*>([^(h1)+]*)
|is", $content, $matches_temp);
// Empty the fake chapters.
$new_index = 0;
for ($i = 0; $i < count($matches_temp[0]); $i++) {
if (trim($matches_temp[1][$i]) !== '') {
$matches[0][$new_index] = $matches_temp[0][$i];
$matches[1][$new_index] = $matches_temp[1][$i];
$new_index++;
}
}
// Add intro item.
$intro_content = substr($content, 0, strpos($content, $matches[0][0]));
$items_to_create[get_lang('Introduction')] = $intro_content;
for ($i = 0; $i < count($matches[0]); $i++) {
if (empty($matches[1][$i]))
continue;
$content = strstr($content, $matches[0][$i]);
if ($i + 1 !== count($matches[0])) {
$dir_content = substr($content, 0, strpos($content, $matches[0][$i + 1]));
} else {
$dir_content = $content;
}
$items_to_create[$matches[1][$i]] = $dir_content;
}
$i = 0;
foreach ($items_to_create as $item_title => $item_content) {
$i++;
$page_content = $this->format_page_content($header, $item_content);
$html_file = $this->created_dir.'-'.$i.'.html';
$handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file, 'w+');
fwrite($handle, $page_content);
fclose($handle);
$document_id = add_document(
$_course,
$this->created_dir.'/'.$html_file,
'file',
filesize(
$this->base_work_dir.$this->created_dir.'/'.$html_file
),
$html_file
);
if ($document_id) {
// Put the document in item_property update.
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$_SESSION['_uid'],
0,
0,
null,
null,
api_get_session_id()
);
$infos = pathinfo($this->filepath);
$slide_name = strip_tags(nl2br($item_title));
$slide_name = str_replace(array("\r\n", "\r", "\n"), '', $slide_name);
$slide_name = html_entity_decode($slide_name);
$previous = learnpath::add_item(
0,
$previous,
'document',
$document_id,
$slide_name,
''
);
if ($this->first_item == 0) {
$this->first_item = $previous;
}
}
}
}
/**
* Manages page splitting
* @param string Page header
* @param string Page body
* @return void
*/
public function dealPerPage($header, $body)
{
$_course = api_get_course_info();
// Split document to pages.
$pages = explode('||page_break||', $body);
$first_item = 0;
foreach ($pages as $key => $page_content) {
// For every pages, we create a new file.
$key += 1;
$page_content = $this->format_page_content($header, $page_content, $this->base_work_dir.$this->created_dir);
$html_file = $this->created_dir.'-'.$key.'.html';
$handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file, 'w+');
fwrite($handle, $page_content);
fclose($handle);
$document_id = add_document(
$_course,
$this->created_dir.$html_file,
'file',
filesize($this->base_work_dir.$this->created_dir.$html_file),
$html_file
);
$slide_name = '';
if ($document_id) {
// Put the document in item_property update.
api_item_property_update(
$_course,
TOOL_DOCUMENT,
$document_id,
'DocumentAdded',
$_SESSION['_uid'],
0,
0,
null,
null,
api_get_session_id()
);
$infos = pathinfo($this->filepath);
$slide_name = 'Page '.str_repeat('0', 2 - strlen($key)).$key;
$previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
if ($this->first_item == 0) {
$this->first_item = $previous;
}
// Code for text indexing.
if (api_get_setting('search_enabled') == 'true') {
if (isset($_POST['index_document']) && $_POST['index_document']) {
//Display::display_normal_message(print_r($_POST));
$di = new ChamiloIndexer();
isset($_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']);
}
}
}
}
$page_content = $all_specific_terms.' '.$page_content;
$ic_slide->addValue('content', $page_content);
// 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 = array(
SE_COURSE_ID => $courseid,
SE_TOOL_ID => TOOL_LEARNPATH,
SE_DATA => array('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);
}
}
}
}
}
}
/**
* Returns additional Java command parameters
* @return string The additional parameters to be used in the Java call
*/
public function add_command_parameters() {
return ' -d woogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'/'.$this->file_name.'.html"';
}
/**
* Formats a page content by reorganising the HTML code a little
* @param string Page header
* @param string Page content
* @return string Formatted page content
*/
public function format_page_content($header, $content) {
// Limit the width of the doc.
list($max_width, $max_height) = explode('x', api_get_setting('service_ppt2lp', 'size'));
$content = preg_replace("|]*>|i", "\\0\r\n", $content, -1, $count);
if ($count < 1) {
$content = '
'.$content;
}
$content = preg_replace('||i', '
\\0', $content, -1, $count);
if ($count < 1) {
$content = $content.'
';
}
// Add the headers.
$content = $header.$content;
// Resize all the picture to the max_width-10
preg_match_all("|]*>|i", $content, $images);
foreach ($images[1] as $key => $image) {
// Check if the base_work_dir.$this->created_dir.'/'.$image);
$new_width = $max_width - 10;
if ($img_width > $new_width) {
$picture_resized = str_ireplace(' $max_width - 10) {
$picture_resized = str_ireplace('width='.$img_width, 'width="'.($max_width - 10).'"', $images[0][$key]);
$content = str_replace($images[0][$key], $picture_resized, $content);
}
}
return $content;
}
/**
* Add documents to the visioconference (to be implemented)
*/
public function add_docs_to_visio() {
}
}