openoffice_text.class.php 14 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Defines the OpenofficeDocument class, which is meant as a conversion
  5. * tool from Office text documents (.doc, .sxw, .odt, .docx) to
  6. * learning paths
  7. * @package chamilo.learnpath
  8. * @author Eric Marguin <eric.marguin@dokeos.com>
  9. * @license GNU/GPL
  10. */
  11. /**
  12. * Defines the "OpenofficeText" child of class "learnpath"
  13. * @package chamilo.learnpath.OpenofficeDocument
  14. */
  15. require_once 'openoffice_document.class.php';
  16. if (api_get_setting('search_enabled') == 'true') {
  17. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  18. require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php';
  19. require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
  20. }
  21. class OpenofficeText extends OpenofficeDocument {
  22. public $split_steps;
  23. /**
  24. * Class constructor. Calls the parent class and initialises the local attribute split_steps
  25. * @param boolean Whether to split steps (true) or make one large page (false)
  26. * @param string Course code
  27. * @param integer Resource ID
  28. * @param integer Creator user id
  29. * @return void
  30. */
  31. function OpenofficeText($split_steps = false, $course_code = null, $resource_id = null, $user_id = null) {
  32. $this -> split_steps = $split_steps;
  33. parent::__construct($course_code, $resource_id, $user_id);
  34. }
  35. /**
  36. * Gets html pages and compose them into a learning path
  37. * @param array The files that will compose the generated learning path. Unused so far.
  38. * @return boolean False if file does not exit. Nothing otherwise.
  39. */
  40. function make_lp($files = array()) {
  41. global $_course;
  42. // We get a content where ||page_break|| indicates where the page is broken.
  43. if (!file_exists($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html')) { return false; }
  44. $content = file_get_contents($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');
  45. unlink($this->base_work_dir.'/'.$this->file_path);
  46. unlink($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');
  47. // The file is utf8 encoded and it seems to make problems with special quotes.
  48. // Then we htmlentities that, we replace these quotes and html_entity_decode that in good charset.
  49. $charset = api_get_system_encoding();
  50. $content = api_htmlentities($content, ENT_COMPAT, $this->original_charset);
  51. $content = str_replace('&rsquo;', '\'', $content);
  52. $content = api_convert_encoding($content, $charset, $this->original_charset);
  53. $content = str_replace($this->original_charset, $charset, $content);
  54. $content = api_html_entity_decode($content, ENT_COMPAT, $charset);
  55. // Set the path to pictures to absolute (so that it can be modified in fckeditor).
  56. $content = preg_replace("|src=\"([^\"]*)|i", "src=\"".api_get_path(REL_COURSE_PATH).$_course['path'].'/document'.$this->created_dir."/\\1", $content);
  57. list($header, $body) = explode('<BODY', $content);
  58. $body = '<BODY'.$body;
  59. // Remove font-family styles.
  60. $header = preg_replace("|font\-family[^;]*;|i", '', $header);
  61. // Chamilo styles.
  62. $my_style = api_get_setting('stylesheets');
  63. if (empty($my_style)) { $my_style = 'chamilo'; }
  64. $style_to_import = "<style type=\"text/css\">\r\n";
  65. $style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/default.css";'."\n";
  66. $style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/course.css";'."\n";
  67. $style_to_import .= "</style>\r\n";
  68. $header = preg_replace("|</head>|i", "\r\n$style_to_import\r\n\\0", $header);
  69. // Line break before and after picture.
  70. $header = str_replace('p {', 'p {clear:both;', $header);
  71. $header = str_replace('absolute', 'relative', $header);
  72. switch ($this->split_steps) {
  73. case 'per_page': $this -> dealPerPage($header, $body); break;
  74. case 'per_chapter': $this -> dealPerChapter($header, $body); break;
  75. }
  76. }
  77. /**
  78. * Manages chapter splitting
  79. * @param string Chapter header
  80. * @param string Content
  81. * @return void
  82. */
  83. function dealPerChapter($header, $content) {
  84. global $_course;
  85. $content = str_replace('||page_break||', '', $content);
  86. // Get all the h1.
  87. preg_match_all("|<h1[^>]*>([^(h1)+]*)</h1>|is", $content, $matches_temp);
  88. // Empty the fake chapters.
  89. $new_index = 0;
  90. for ($i = 0; $i < count($matches_temp[0]); $i++) {
  91. if (trim($matches_temp[1][$i]) !== '') {
  92. $matches[0][$new_index] = $matches_temp[0][$i];
  93. $matches[1][$new_index] = $matches_temp[1][$i];
  94. $new_index++;
  95. }
  96. }
  97. // Add intro item.
  98. $intro_content = substr($content, 0, strpos($content, $matches[0][0]));
  99. $items_to_create[get_lang('Introduction')] = $intro_content;
  100. for ($i = 0; $i < count($matches[0]); $i++) {
  101. if (empty($matches[1][$i]))
  102. continue;
  103. $content = strstr($content,$matches[0][$i]);
  104. if ($i + 1 !== count($matches[0])) {
  105. $chapter_content = substr($content, 0, strpos($content, $matches[0][$i + 1]));
  106. } else {
  107. $chapter_content = $content;
  108. }
  109. $items_to_create[$matches[1][$i]] = $chapter_content;
  110. }
  111. $i = 0;
  112. foreach ($items_to_create as $item_title => $item_content) {
  113. $i++;
  114. $page_content = $this->format_page_content($header, $item_content);
  115. $html_file = $this->created_dir.'-'.$i.'.html';
  116. $handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file, 'w+');
  117. fwrite($handle, $page_content);
  118. fclose($handle);
  119. $document_id = add_document($_course, $this->created_dir.'/'.$html_file, 'file', filesize($this->base_work_dir.$this->created_dir.'/'.$html_file), $html_file);
  120. if ($document_id){
  121. // Put the document in item_property update.
  122. api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', $_SESSION['_uid'], 0, 0, null, null, api_get_session_id());
  123. $infos = pathinfo($this->filepath);
  124. $slide_name = strip_tags(nl2br($item_title));
  125. $slide_name = str_replace(array("\r\n", "\r", "\n"), '', $slide_name);
  126. $slide_name = html_entity_decode($slide_name);
  127. $previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
  128. if ($this->first_item == 0) {
  129. $this->first_item = $previous;
  130. }
  131. }
  132. }
  133. }
  134. /**
  135. * Manages page splitting
  136. * @param string Page header
  137. * @param string Page body
  138. * @return void
  139. */
  140. function dealPerPage($header, $body) {
  141. global $_course;
  142. // Split document to pages.
  143. $pages = explode('||page_break||', $body);
  144. $first_item = 0;
  145. foreach ($pages as $key => $page_content) {
  146. // For every pages, we create a new file.
  147. $key += 1;
  148. $page_content = $this->format_page_content($header, $page_content, $this->base_work_dir.$this->created_dir);
  149. $html_file = $this->created_dir.'-'.$key.'.html';
  150. $handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file, 'w+');
  151. fwrite($handle, $page_content);
  152. fclose($handle);
  153. $document_id = add_document($_course, $this->created_dir.$html_file, 'file', filesize($this->base_work_dir.$this->created_dir.$html_file), $html_file);
  154. $slide_name = '';
  155. if ($document_id) {
  156. // Put the document in item_property update.
  157. api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', $_SESSION['_uid'], 0, 0, null, null, api_get_session_id());
  158. $infos = pathinfo($this->filepath);
  159. $slide_name = 'Page '.str_repeat('0', 2 - strlen($key)).$key;
  160. $previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
  161. if ($this->first_item == 0) {
  162. $this->first_item = $previous;
  163. }
  164. // Code for text indexing.
  165. if (api_get_setting('search_enabled') == 'true') {
  166. if (isset($_POST['index_document']) && $_POST['index_document']) {
  167. //Display::display_normal_message(print_r($_POST));
  168. $di = new DokeosIndexer();
  169. isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
  170. $di->connectDb(NULL, NULL, $lang);
  171. $ic_slide = new IndexableChunk();
  172. $ic_slide->addValue('title', $slide_name);
  173. $specific_fields = get_specific_field_list();
  174. $all_specific_terms = '';
  175. foreach ($specific_fields as $specific_field) {
  176. if (isset($_REQUEST[$specific_field['code']])) {
  177. $sterms = trim($_REQUEST[$specific_field['code']]);
  178. $all_specific_terms .= ' '. $sterms;
  179. if (!empty($sterms)) {
  180. $sterms = explode(',', $sterms);
  181. foreach ($sterms as $sterm) {
  182. $ic_slide->addTerm(trim($sterm), $specific_field['code']);
  183. }
  184. }
  185. }
  186. }
  187. $page_content = $all_specific_terms .' '. $page_content;
  188. $ic_slide->addValue('content', $page_content);
  189. // Add a comment to say terms separated by commas.
  190. $courseid=api_get_course_id();
  191. $ic_slide->addCourseId($courseid);
  192. $ic_slide->addToolId(TOOL_LEARNPATH);
  193. $lp_id = $this->lp_id;
  194. $xapian_data = array(
  195. SE_COURSE_ID => $courseid,
  196. SE_TOOL_ID => TOOL_LEARNPATH,
  197. SE_DATA => array('lp_id' => $lp_id, 'lp_item'=> $previous, 'document_id' => $document_id),
  198. SE_USER => (int)api_get_user_id(),
  199. );
  200. $ic_slide->xapian_data = serialize($xapian_data);
  201. $di->addChunk($ic_slide);
  202. // Index and return search engine document id.
  203. $did = $di->index();
  204. if ($did) {
  205. // Save it to db.
  206. $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  207. $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, ref_id_second_level, search_did)
  208. VALUES (NULL , \'%s\', \'%s\', %s, %s, %s)';
  209. $sql = sprintf($sql, $tbl_se_ref, api_get_course_id(), TOOL_LEARNPATH, $lp_id, $previous, $did);
  210. Database::query($sql);
  211. }
  212. }
  213. }
  214. }
  215. }
  216. }
  217. /**
  218. * Returns additional Java command parameters
  219. * @return string The additional parameters to be used in the Java call
  220. */
  221. function add_command_parameters(){
  222. return ' -d woogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'/'.$this->file_name.'.html"';
  223. }
  224. /**
  225. * Formats a page content by reorganising the HTML code a little
  226. * @param string Page header
  227. * @param string Page content
  228. * @return string Formatted page content
  229. */
  230. function format_page_content($header, $content) {
  231. // Limit the width of the doc.
  232. list($max_width, $max_height) = explode('x',api_get_setting('service_ppt2lp','size'));
  233. $content = preg_replace("|<body[^>]*>|i", "\\0\r\n<div style=\"width:".$max_width."\">", $content, -1, $count);
  234. if ($count < 1) {
  235. $content = '<body><div style="width:'.$max_width.'">'.$content;
  236. }
  237. $content = preg_replace('|</body>|i', '</div>\\0', $content, -1, $count);
  238. if ($count < 1) {
  239. $content = $content.'</div></body>';
  240. }
  241. // Add the headers.
  242. $content = $header.$content;
  243. // Resize all the picture to the max_width-10
  244. preg_match_all("|<img[^src]*src=\"([^\"]*)\"[^>]*>|i", $content, $images);
  245. foreach ($images[1] as $key => $image) {
  246. // Check if the <img tag soon has a width attribute.
  247. $defined_width = preg_match("|width=([^\s]*)|i", $images[0][$key], $img_width);
  248. $img_width = $img_width[1];
  249. if (!$defined_width) {
  250. list($img_width, $img_height, $type) = getimagesize($this->base_work_dir.$this->created_dir.'/'.$image);
  251. $new_width = $max_width - 10;
  252. if ($img_width > $new_width) {
  253. $picture_resized = str_ireplace('<img', '<img width="'.$new_width.'" ', $images[0][$key]);
  254. $content = str_replace($images[0][$key], $picture_resized, $content);
  255. }
  256. } elseif ($img_width > $max_width - 10) {
  257. $picture_resized = str_ireplace('width='.$img_width, 'width="'.($max_width-10).'"', $images[0][$key]);
  258. $content = str_replace($images[0][$key], $picture_resized, $content);
  259. }
  260. }
  261. return $content;
  262. }
  263. /**
  264. * Add documents to the visioconference (to be implemented)
  265. */
  266. function add_docs_to_visio() {
  267. }
  268. }