Yannick Warnier
16 years ago
commit
e70c6bb618
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<?php //$id$
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/** |
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* This script contains the server part of the xajax interaction process. The client part is located |
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* in lp_api.php or other api's. |
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* This script, in particular, enables the process of SCO's initialization. It |
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* resets the JavaScript values for each SCO to the current LMS status. |
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* @package dokeos.learnpath |
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* @author Yannick Warnier <ywarnier@beeznest.org> |
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*/ |
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/** |
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* Script |
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*/ |
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//flag to allow for anonymous user - needs to be set before global.inc.php |
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$use_anonymous = true; |
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// name of the language file that needs to be included |
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$language_file[] = 'learnpath'; |
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require_once('back_compat.inc.php'); |
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/** |
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* Get one item's details |
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* @param integer LP ID |
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* @param integer user ID |
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* @param integer View ID |
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* @param integer Current item ID |
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* @param integer New item ID |
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*/ |
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function initialize_item($lp_id,$user_id,$view_id,$next_item) |
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{ |
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$debug=0; |
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$return = ''; |
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if($debug>0){error_log('In initialize_item('.$lp_id.','.$user_id.','.$view_id.','.$next_item.')',0);} |
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//$objResponse = new xajaxResponse(); |
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/*$item_id may be one of: |
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* -'next' |
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* -'previous' |
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* -'first' |
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* -'last' |
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* - a real item ID |
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*/ |
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require_once('learnpath.class.php'); |
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require_once('scorm.class.php'); |
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require_once('aicc.class.php'); |
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require_once('learnpathItem.class.php'); |
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require_once('scormItem.class.php'); |
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require_once('aiccItem.class.php'); |
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$mylp = ''; |
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if (isset($_SESSION['lpobject'])) { |
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if ($debug>1) {error_log('////$_SESSION[lpobject] is set',0);} |
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$oLP =& unserialize($_SESSION['lpobject']); |
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if (!is_object($oLP)) { |
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if($debug>1){error_log(print_r($oLP,true),0);} |
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if($debug>2){error_log('////Building new lp',0);} |
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unset($oLP); |
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$code = api_get_course_id(); |
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$mylp = & new learnpath($code,$lp_id,$user_id); |
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} else { |
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if($debug>1){error_log('////Reusing session lp',0);} |
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$mylp = & $oLP; |
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} |
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} |
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$mylp->set_current_item($next_item); |
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if ($debug>1) {error_log('In {default} - item is '.$new_item_id,0);} |
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$mylp->start_current_item(true); |
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/* |
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if ($mylp->force_commit) { |
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$mylp->save_current(); |
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} |
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*/ |
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//$objResponse->addAlert(api_get_path(REL_CODE_PATH).'newscorm/learnpathItem.class.php'); |
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if (is_object($mylp->items[$next_item])) { |
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$mylpi = & $mylp->items[$next_item]; |
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} else { |
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if($debug>1){error_log('In switch_item_details - generating new item object',0);} |
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$mylpi =& new learnpathItem($next_item,$user_id); |
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$mylpi->set_lp_view($view_id); |
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} |
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/* |
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* now get what's needed by the SCORM API: |
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* -score |
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* -max |
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* -min |
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* -lesson_status |
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* -session_time |
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* -suspend_data |
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*/ |
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$myscore = $mylpi->get_score(); |
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$mymax = $mylpi->get_max(); |
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if($mymax===''){$mymax="''";} |
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$mymin = $mylpi->get_min(); |
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$mylesson_status = $mylpi->get_status(); |
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$mylesson_location = $mylpi->get_lesson_location(); |
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$mytotal_time = $mylpi->get_scorm_time('js'); |
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$mymastery_score = $mylpi->get_mastery_score(); |
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$mymax_time_allowed = $mylpi->get_max_time_allowed(); |
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$mylaunch_data = $mylpi->get_launch_data(); |
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$mysession_time = $mylpi->get_total_time(); |
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$mysuspend_data = $mylpi->get_suspend_data(); |
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$mylesson_location = $mylpi->get_lesson_location(); |
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$myic = $mylpi->get_interactions_count(); |
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$myistring = ''; |
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for ($i=0;$i<$myic;$i++) { |
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$myistring .= ",[".$i.",'','','','','','','']"; |
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} |
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if (!empty($myistring)) { |
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$myistring = substr($myistring,1); |
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} |
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$return .= |
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"olms.score=".$myscore.";" . |
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"olms.max=".$mymax.";" . |
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"olms.min=".$mymin.";" . |
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"olms.lesson_status='".$mylesson_status."';" . |
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"olms.lesson_location='".$mylesson_location."';" . |
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"olms.session_time='".$mysession_time."';" . |
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"olms.suspend_data='".$mysuspend_data."';" . |
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"olms.total_time = '".$mytotal_time."';" . |
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"olms.mastery_score = '".$mymastery_score."';" . |
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"olms.max_time_allowed = '".$mymax_time_allowed."';" . |
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"olms.launch_data = '".$mylaunch_data."';" . |
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"olms.interactions = new Array(".$myistring.");" . |
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"olms.item_objectives = new Array();" . |
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"olms.G_lastError = 0;" . |
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"olms.G_LastErrorMessage = 'No error';" ; |
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/* |
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* and re-initialise the rest (proper to the LMS) |
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* -lms_lp_id |
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* -lms_item_id |
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* -lms_old_item_id |
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* -lms_new_item_id |
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* -lms_initialized |
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* -lms_progress_bar_mode |
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* -lms_view_id |
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* -lms_user_id |
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*/ |
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$mytotal = $mylp->get_total_items_count_without_chapters(); |
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$mycomplete = $mylp->get_complete_items_count(); |
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$myprogress_mode = $mylp->get_progress_bar_mode(); |
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$myprogress_mode = ($myprogress_mode==''?'%':$myprogress_mode); |
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$mynext = $mylp->get_next_item_id(); |
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$myprevious = $mylp->get_previous_item_id(); |
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$myitemtype = $mylpi->get_type(); |
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$mylesson_mode = $mylpi->get_lesson_mode(); |
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$mycredit = $mylpi->get_credit(); |
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$mylaunch_data = $mylpi->get_launch_data(); |
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$myinteractions_count = $mylpi->get_interactions_count(); |
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$myobjectives_count = $mylpi->get_objectives_count(); |
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$mycore_exit = $mylpi->get_core_exit(); |
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$return .= |
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"olms.lms_lp_id=".$lp_id.";" . |
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"olms.lms_item_id=".$next_item.";" . |
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"olms.lms_old_item_id=0;" . |
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"olms.lms_initialized=0;" . |
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"olms.lms_view_id=".$view_id.";" . |
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"olms.lms_user_id=".$user_id.";" . |
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"olms.next_item=".$next_item.";" . //this one is very important to replace possible literal strings |
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"olms.lms_next_item=".$mynext.";" . |
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"olms.lms_previous_item=".$myprevious.";" . |
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"olms.lms_item_type = '".$myitemtype."';" . |
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"olms.lms_item_credit = '".$mycredit."';" . |
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"olms.lms_item_lesson_mode = '".$mylesson_mode."';" . |
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"olms.lms_item_launch_data = '".$mylaunch_data."';" . |
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"olms.lms_item_interactions_count = '".$myinteractions_count."';" . |
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"olms.lms_item_objectives_count = '".$myinteractions_count."';" . |
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"olms.lms_item_core_exit = '".$mycore_exit."';" . |
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"olms.asset_timer = 0;"; |
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$mylp->set_error_msg(''); |
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$mylp->prerequisites_match(); //check the prerequisites are all complete |
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if($debug>1){error_log('Prereq_match() returned '.htmlentities($mylp->error),0);} |
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//$_SESSION['scorm_item_id'] = $new_item_id;//Save the new item ID for the exercise tool to use |
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//$_SESSION['lpobject'] = serialize($mylp); |
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return $return; |
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} |
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echo initialize_item($_POST['lid'],$_POST['uid'],$_POST['vid'],$_POST['iid']); |
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@ -0,0 +1,186 @@ |
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<?php //$id$
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/** |
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* This script contains the server part of the xajax interaction process. The client part is located |
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* in lp_api.php or other api's. |
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* This script updated the TOC of the SCORM without updating the SCO's attributes |
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* @package dokeos.learnpath |
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* @author Yannick Warnier <ywarnier@beeznest.org> |
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*/ |
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/** |
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* Script |
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*/ |
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//flag to allow for anonymous user - needs to be set before global.inc.php |
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$use_anonymous = true; |
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// name of the language file that needs to be included |
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$language_file[] = 'learnpath'; |
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require_once('back_compat.inc.php'); |
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/** |
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* Get one item's details |
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* @param integer LP ID |
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* @param integer user ID |
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* @param integer View ID |
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* @param integer Current item ID |
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* @param integer New item ID |
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*/ |
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function switch_item_toc($lp_id,$user_id,$view_id,$current_item,$next_item) |
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{ |
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$debug=0; |
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$return = ''; |
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if($debug>0){error_log('In xajax_switch_item_toc('.$lp_id.','.$user_id.','.$view_id.','.$current_item.','.$next_item.')',0);} |
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require_once('learnpath.class.php'); |
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require_once('scorm.class.php'); |
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require_once('aicc.class.php'); |
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require_once('learnpathItem.class.php'); |
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require_once('scormItem.class.php'); |
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require_once('aiccItem.class.php'); |
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$mylp = ''; |
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if(isset($_SESSION['lpobject'])) |
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{ |
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if($debug>1){error_log('////$_SESSION[lpobject] is set',0);} |
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$oLP =& unserialize($_SESSION['lpobject']); |
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if(!is_object($oLP)){ |
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if($debug>1){error_log(print_r($oLP,true),0);} |
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if($debug>2){error_log('////Building new lp',0);} |
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unset($oLP); |
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$code = api_get_course_id(); |
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$mylp = & new learnpath($code,$lp_id,$user_id); |
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}else{ |
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if($debug>1){error_log('////Reusing session lp',0);} |
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$mylp = & $oLP; |
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} |
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} |
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$new_item_id = 0; |
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switch($next_item){ |
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case 'next': |
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$mylp->set_current_item($current_item); |
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$mylp->next(); |
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$new_item_id = $mylp->get_current_item_id(); |
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if($debug>1){error_log('In {next} - next item is '.$new_item_id.'(current: '.$current_item.')',0);} |
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break; |
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case 'previous': |
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$mylp->set_current_item($current_item); |
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$mylp->previous(); |
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$new_item_id = $mylp->get_current_item_id(); |
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if($debug>1){error_log('In {previous} - next item is '.$new_item_id.'(current: '.$current_item.')',0);} |
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break; |
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case 'first': |
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$mylp->set_current_item($current_item); |
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$mylp->first(); |
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$new_item_id = $mylp->get_current_item_id(); |
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if($debug>1){error_log('In {first} - next item is '.$new_item_id.'(current: '.$current_item.')',0);} |
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break; |
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case 'last': |
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break; |
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default: |
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//should be filtered to check it's not hacked |
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if($next_item == $current_item){ |
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//if we're opening the same item again |
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$mylp->items[$current_item]->restart(); |
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} |
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$new_item_id = $next_item; |
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$mylp->set_current_item($new_item_id); |
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if($debug>1){error_log('In {default} - next item is '.$new_item_id.'(current: '.$current_item.')',0);} |
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break; |
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} |
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$mylp->start_current_item(true); |
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if($mylp->force_commit){ |
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$mylp->save_current(); |
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} |
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//$objResponse->addAlert(api_get_path(REL_CODE_PATH).'newscorm/learnpathItem.class.php'); |
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if(is_object($mylp->items[$new_item_id])){ |
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$mylpi = & $mylp->items[$new_item_id]; |
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}else{ |
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if($debug>1){error_log('In switch_item_details - generating new item object',0);} |
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$mylpi =& new learnpathItem($new_item_id,$user_id); |
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$mylpi->set_lp_view($view_id); |
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} |
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/* |
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* now get what's needed by the SCORM API: |
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* -score |
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* -max |
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* -min |
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* -lesson_status |
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* -session_time |
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* -suspend_data |
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*/ |
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$myscore = $mylpi->get_score(); |
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$mymax = $mylpi->get_max(); |
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if($mymax===''){$mymax="''";} |
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$mymin = $mylpi->get_min(); |
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$mylesson_status = $mylpi->get_status(); |
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$mylesson_location = $mylpi->get_lesson_location(); |
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$mytotal_time = $mylpi->get_scorm_time('js'); |
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$mymastery_score = $mylpi->get_mastery_score(); |
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$mymax_time_allowed = $mylpi->get_max_time_allowed(); |
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$mylaunch_data = $mylpi->get_launch_data(); |
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/* |
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if($mylpi->get_type() == 'asset'){ |
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//temporary measure to save completion of an asset. Later on, Dokeos should trigger something on unload, maybe... (even though that would mean the last item cannot be completed) |
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$mylesson_status = 'completed'; |
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$mylpi->set_status('completed'); |
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$mylpi->save(); |
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} |
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*/ |
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$mysession_time = $mylpi->get_total_time(); |
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$mysuspend_data = $mylpi->get_suspend_data(); |
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$mylesson_location = $mylpi->get_lesson_location(); |
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$myic = $mylpi->get_interactions_count(); |
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$myistring = ''; |
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for ($i=0;$i<$myic;$i++) { |
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$myistring .= ",[".$i.",'','','','','','','']"; |
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} |
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if (!empty($myistring)) { |
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$myistring = substr($myistring,1); |
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} |
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$mytotal = $mylp->get_total_items_count_without_chapters(); |
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$mycomplete = $mylp->get_complete_items_count(); |
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$myprogress_mode = $mylp->get_progress_bar_mode(); |
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$myprogress_mode = ($myprogress_mode==''?'%':$myprogress_mode); |
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$mynext = $mylp->get_next_item_id(); |
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$myprevious = $mylp->get_previous_item_id(); |
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$myitemtype = $mylpi->get_type(); |
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$mylesson_mode = $mylpi->get_lesson_mode(); |
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$mycredit = $mylpi->get_credit(); |
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$mylaunch_data = $mylpi->get_launch_data(); |
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$myinteractions_count = $mylpi->get_interactions_count(); |
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$myobjectives_count = $mylpi->get_objectives_count(); |
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$mycore_exit = $mylpi->get_core_exit(); |
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$return .= |
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//"saved_lesson_status='not attempted';" . |
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"olms.lms_lp_id=".$lp_id.";" . |
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"olms.lms_item_id=".$new_item_id.";" . |
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"olms.lms_old_item_id=0;" . |
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//"lms_been_synchronized=0;" . |
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"olms.lms_initialized=0;" . |
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//"lms_total_lessons=".$mytotal.";" . |
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//"lms_complete_lessons=".$mycomplete.";" . |
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//"lms_progress_bar_mode='".$myprogress_mode."';" . |
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"olms.lms_view_id=".$view_id.";" . |
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"olms.lms_user_id=".$user_id.";" . |
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"olms.next_item=".$new_item_id.";" . //this one is very important to replace possible literal strings |
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"olms.lms_next_item=".$mynext.";" . |
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"olms.lms_previous_item=".$myprevious.";" . |
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"olms.lms_item_type = '".$myitemtype."';" . |
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"olms.lms_item_credit = '".$mycredit."';" . |
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"olms.lms_item_lesson_mode = '".$mylesson_mode."';" . |
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"olms.lms_item_launch_data = '".$mylaunch_data."';" . |
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"olms.lms_item_interactions_count = '".$myinteractions_count."';" . |
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"olms.lms_item_objectives_count = '".$myinteractions_count."';" . |
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"olms.lms_item_core_exit = '".$mycore_exit."';" . |
||||||
|
"olms.asset_timer = 0;"; |
||||||
|
//); |
||||||
|
$return .= "update_toc('unhighlight','".$current_item."');". |
||||||
|
"update_toc('highlight','".$new_item_id."');". |
||||||
|
"update_toc('$mylesson_status','".$new_item_id."');". |
||||||
|
"update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');"; |
||||||
|
|
||||||
|
$mylp->set_error_msg(''); |
||||||
|
$mylp->prerequisites_match(); //check the prerequisites are all complete |
||||||
|
if($debug>1){error_log('Prereq_match() returned '.htmlentities($mylp->error),0);} |
||||||
|
$_SESSION['scorm_item_id'] = $new_item_id;//Save the new item ID for the exercise tool to use |
||||||
|
$_SESSION['lpobject'] = serialize($mylp); |
||||||
|
return $return; |
||||||
|
//return $objResponse; |
||||||
|
} |
||||||
|
echo switch_item_toc($_POST['lid'],$_POST['uid'],$_POST['vid'],$_POST['iid'],$_POST['next']); |
||||||
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Reference in new issue