openoffice_presentation.class.php 11 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 presentations (.ppt, .sxi, .odp, .pptx) 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 "OpenofficePresentation" child of class "OpenofficeDocument"
  13. */
  14. require_once 'openoffice_document.class.php';
  15. if (api_get_setting('search_enabled') == 'true') {
  16. require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
  17. require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
  18. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  19. }
  20. class OpenofficePresentation extends OpenofficeDocument
  21. {
  22. public $take_slide_name;
  23. public function __construct($take_slide_name = false, $course_code = null, $resource_id = null, $user_id = null)
  24. {
  25. $this->take_slide_name = $take_slide_name;
  26. parent::__construct($course_code, $resource_id, $user_id);
  27. }
  28. public function make_lp($files = array())
  29. {
  30. $_course = api_get_course_info();
  31. $previous = 0;
  32. $i = 0;
  33. if (!is_dir($this->base_work_dir.$this->created_dir)) {
  34. return false;
  35. }
  36. $dir = $this->created_dir;
  37. if (substr($dir, -1, 1) !== '/') {
  38. $dir .= '/';
  39. }
  40. foreach ($files as $file) {
  41. /* '||' is used as separator between fields:
  42. slide name (with accents) || file name (without accents) || all slide text (to be indexed).
  43. */
  44. list($slide_name, $file_name, $slide_body) = explode('||', $file);
  45. //error_log('Treating '.$file_name.' from '.__FUNCTION__);
  46. // Filename is utf8 encoded, but when we decode, some chars are not translated (like quote &rsquo;).
  47. // so we remove these chars by translating it in htmlentities and the reconvert it in want charset.
  48. $slide_name = api_htmlentities($slide_name, ENT_COMPAT, $this->original_charset);
  49. $slide_name = str_replace('&rsquo;', '\'', $slide_name);
  50. $slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
  51. $slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
  52. if ($this->take_slide_name === true) {
  53. $slide_name = str_replace('_', ' ', $slide_name);
  54. $slide_name = api_ucfirst($slide_name);
  55. } else {
  56. $slide_name = 'slide'.str_repeat('0', 2 - strlen($i)).$i;
  57. }
  58. if (!is_file($this->base_work_dir.$dir.$file_name) or filesize($this->base_work_dir.$dir.$file_name) == 0) {
  59. //error_log($this->base_work_dir.$dir.$file_name . ' is not a file or is 0');
  60. continue;
  61. }
  62. $i++;
  63. if (substr($file_name, -1, 1) == '/') {
  64. $file_name = substr($file_name, 0, -1);
  65. }
  66. // Add the png to documents.
  67. $document_id = add_document(
  68. $_course,
  69. $dir.urlencode($file_name),
  70. 'file',
  71. filesize($this->base_work_dir.$dir.$file_name),
  72. $slide_name
  73. );
  74. api_item_property_update(
  75. $_course,
  76. TOOL_DOCUMENT,
  77. $document_id,
  78. 'DocumentAdded',
  79. api_get_user_id(),
  80. 0,
  81. 0,
  82. null,
  83. null,
  84. api_get_session_id()
  85. );
  86. // Generating the thumbnail.
  87. $image = $this->base_work_dir.$dir . $file_name;
  88. $pattern = '/(\w+)\.png$/';
  89. $replacement = '${1}_thumb.png';
  90. $thumb_name = preg_replace($pattern, $replacement, $file_name);
  91. // Calculate thumbnail size.
  92. $image_size = api_getimagesize($image);
  93. $width = $image_size['width'];
  94. $height = $image_size['height'];
  95. $thumb_width = 300;
  96. $thumb_height = floor($height * ($thumb_width / $width));
  97. $my_new_image = new Image($image);
  98. $my_new_image->resize($thumb_width, $thumb_height);
  99. $my_new_image->send_image($this->base_work_dir.$dir . $thumb_name, -1, 'png');
  100. // Adding the thumbnail to documents.
  101. $document_id_thumb = add_document(
  102. $_course,
  103. $dir.urlencode($thumb_name),
  104. 'file',
  105. filesize($this->base_work_dir.$dir.$thumb_name),
  106. $slide_name
  107. );
  108. api_item_property_update($_course, TOOL_THUMBNAIL, $document_id_thumb, 'DocumentAdded', api_get_user_id(), 0, 0);
  109. // Create an html file.
  110. $html_file = $file_name.'.html';
  111. $fp = fopen($this->base_work_dir.$dir.$html_file, 'w+');
  112. $slide_src = api_get_path(REL_COURSE_PATH).$_course['path'].'/document/'.$dir.utf8_encode($file_name);
  113. $slide_src = str_replace('\/\/', '/', $slide_src);
  114. fwrite($fp,
  115. '<html>
  116. <head>
  117. </head>
  118. <body>
  119. <img src="'.$slide_src.'" />
  120. </body>
  121. </html>'); // This indentation is to make the generated html files to look well.
  122. fclose($fp);
  123. $document_id = add_document(
  124. $_course,
  125. $dir.urlencode($html_file),
  126. 'file',
  127. filesize($this->base_work_dir.$dir.$html_file),
  128. $slide_name
  129. );
  130. if ($document_id) {
  131. // Put the document in item_property update.
  132. api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', api_get_user_id(), 0, 0, null, null, api_get_session_id());
  133. $previous = $this->add_item(0, $previous, 'document', $document_id, $slide_name, '');
  134. if ($this->first_item == 0) {
  135. $this->first_item = $previous;
  136. }
  137. }
  138. // Code for text indexing.
  139. if (api_get_setting('search_enabled') == 'true') {
  140. if (isset($_POST['index_document']) && $_POST['index_document']) {
  141. $di = new ChamiloIndexer();
  142. isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
  143. $di->connectDb(NULL, NULL, $lang);
  144. $ic_slide = new IndexableChunk();
  145. $ic_slide->addValue('title', $slide_name);
  146. $specific_fields = get_specific_field_list();
  147. $all_specific_terms = '';
  148. foreach ($specific_fields as $specific_field) {
  149. if (isset($_REQUEST[$specific_field['code']])) {
  150. $sterms = trim($_REQUEST[$specific_field['code']]);
  151. $all_specific_terms .= ' '. $sterms;
  152. if (!empty($sterms)) {
  153. $sterms = explode(',', $sterms);
  154. foreach ($sterms as $sterm) {
  155. $ic_slide->addTerm(trim($sterm), $specific_field['code']);
  156. }
  157. }
  158. }
  159. }
  160. $slide_body = $all_specific_terms .' '. $slide_body;
  161. $ic_slide->addValue('content', $slide_body);
  162. /* FIXME: cidReq:lp_id:doc_id al indexar */
  163. // Add a comment to say terms separated by commas.
  164. $courseid = api_get_course_id();
  165. $ic_slide->addCourseId($courseid);
  166. $ic_slide->addToolId(TOOL_LEARNPATH);
  167. $lp_id = $this->lp_id;
  168. $xapian_data = array(
  169. SE_COURSE_ID => $courseid,
  170. SE_TOOL_ID => TOOL_LEARNPATH,
  171. SE_DATA => array('lp_id' => $lp_id, 'lp_item' => $previous, 'document_id' => $document_id),
  172. SE_USER => (int)api_get_user_id(),
  173. );
  174. $ic_slide->xapian_data = serialize($xapian_data);
  175. $di->addChunk($ic_slide);
  176. // Index and return search engine document id.
  177. $did = $di->index();
  178. if ($did) {
  179. // Save it to db.
  180. $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  181. $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, ref_id_second_level, search_did)
  182. VALUES (NULL , \'%s\', \'%s\', %s, %s, %s)';
  183. $sql = sprintf($sql, $tbl_se_ref, api_get_course_id(), TOOL_LEARNPATH, $lp_id, $previous, $did);
  184. Database::query($sql);
  185. }
  186. }
  187. }
  188. }
  189. }
  190. function add_command_parameters()
  191. {
  192. if (empty($this->slide_width) || empty($this->slide_height)) {
  193. list($this->slide_width, $this->slide_height) = explode('x', api_get_setting('service_ppt2lp', 'size'));
  194. }
  195. return ' -w '.$this->slide_width.' -h '.$this->slide_height.' -d oogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'.html"';
  196. }
  197. function set_slide_size($width, $height)
  198. {
  199. $this->slide_width = $width;
  200. $this->slide_height = $height;
  201. }
  202. function add_docs_to_visio($files = array())
  203. {
  204. $_course = api_get_course_info();
  205. foreach ($files as $file) {
  206. // '||' is used as separator between slide name (with accents) and file name (without accents).
  207. list($slide_name,$file_name) = explode('||',$file);
  208. $slide_name = api_htmlentities($slide_name, ENT_COMPAT, $this->original_charset);
  209. $slide_name = str_replace('&rsquo;', '\'', $slide_name);
  210. $slide_name = api_convert_encoding($slide_name, api_get_system_encoding(), $this->original_charset);
  211. $slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
  212. $did = add_document(
  213. $_course,
  214. $this->created_dir.'/'.urlencode($file_name),
  215. 'file',
  216. filesize($this->base_work_dir.$this->created_dir.'/'.$file_name),
  217. $slide_name
  218. );
  219. if ($did) {
  220. api_item_property_update(
  221. $_course,
  222. TOOL_DOCUMENT,
  223. $did,
  224. 'DocumentAdded',
  225. api_get_user_id(),
  226. 0,
  227. null,
  228. null,
  229. null,
  230. api_get_session_id()
  231. );
  232. }
  233. }
  234. }
  235. }