'; print_r($exercise_stats);		
				
			foreach($question_list  as $question_id) {
				$question_data = Question::read($question_id);
                ///var_dump($question_data);
				$main_question_list[$question_id] = $question_data;		
				$quantity_exercises = 0;
				$question_result = 0;
                //echo '
';
				//print_r($exercise_stats);
				foreach($exercise_stats as $stats) {
					if (!empty($stats['question_list'])) {
						foreach($stats['question_list'] as $my_question_stat) {
                           // var_dump($my_question_stat);							
							if ($question_id == $my_question_stat['question_id']) {				
								//var_dump($my_question_stat);		
								$question_result =  $question_result + $my_question_stat['marks'];		
					//			var_dump($my_question_stat['marks']);
								$quantity_exercises++;					
							}
						}
					}
				}
                //echo $question_id;
                //var_dump($question_result.' - '.$quantity_exercises.$main_question_list[$question_id]->weighting);
                if(!empty($quantity_exercises)) {
				    $main_question_list[$question_id]->results =(($question_result / ($quantity_exercises)) ) ; // Score % average
                } else {
                    $main_question_list[$question_id]->results = 0;
                }
				$main_question_list[$question_id]->quantity = $quantity_exercises;	
            
			}
		}
	}
}

//var_dump($main_question_list);

//var_dump($main_question_list);
//$course_list = SessionManager::get_course_list_by_session_id($session_id);

if (!$export_to_xls) {
	
	Display :: display_header(get_lang("MySpace"));
	echo '
';
	if ($global) {
				
		$menu_items[] = Display::url(Display::return_icon('stats.png', get_lang('MyStats'),'',ICON_SIZE_MEDIUM),api_get_path(WEB_CODE_PATH)."auth/my_progress.php" );
		$menu_items[] = Display::url(Display::return_icon('teacher.png', get_lang('TeacherInterface'), array(), 32), api_get_path(WEB_CODE_PATH).'mySpace/?view=teacher');
		$menu_items[] = Display::return_icon('star_na.png', get_lang('AdminInterface'), array(), 32);		
		$menu_items[] = Display::url(Display::return_icon('quiz.png', get_lang('ExamTracking'), array(), 32), api_get_path(WEB_CODE_PATH).'tracking/exams.php');
		
		$nb_menu_items = count($menu_items);
		if($nb_menu_items>1) {
			foreach($menu_items as $key=> $item) {
				echo $item;			
			}			
		}
	} else {
		echo '

				'.get_lang('StudentsTracking').' |			
				'.get_lang('CourseTracking').' ';
			
		echo '
';	
	}	
	echo '
';
	
if (api_is_platform_admin()) {
		echo ''.get_lang('DisplayCoaches').' | ';
		echo ''.get_lang('DisplayUserOverview').'';		
		echo ' | '.get_lang('DisplaySessionOverview').'';
		echo ' | '.get_lang('DisplayCourseOverview').'';	
		echo ' | '.get_lang('LPQuestionListResults');
		echo ' | '.get_lang('LPExerciseResultsBySession').'';	
				
	}		
	echo '
';
	echo '
'.get_lang('LPQuestionListResults').'
';
	
	$form->display();
	//Display::display_normal_message(get_lang('QuestionsAreTakenFromLPExercises'));
	
	if (empty($course_code)) {
		Display::display_warning_message(get_lang('PleaseSelectACourse'));	
	}	
}

$course_average = array();

$counter = 0;

if (!empty($main_question_list) && is_array($main_question_list)) {
	$html_result .= '';
	$html_result .= '';	
	$html_result .= '';
    $html_result .= '';	
	
	foreach($main_question_list  as $question) {
		$total_student = 0;
		$counter ++;
		$s_css_class = 'row_even';
		if ($counter % 2 ==0 ) {
			$s_css_class = 'row_odd';
		}
		$html_result .= "";
		
		$html_result .= "";
        
        $html_result .= "";
        
	}
	$html_result .="";
	$html_result .= '
'.get_lang('Question').Display :: return_icon('info3.gif', get_lang('QuestionsAreTakenFromLPExercises'), array('align' => 'absmiddle', 'hspace' => '3px')).'
'.$course_info['visual_code'].' '.get_lang('AverageScore').Display :: return_icon('info3.gif', get_lang('AllStudentsAttemptsAreConsidered'), array('align' => 'absmiddle', 'hspace' => '3px')).' 
'.get_lang('Quantity').'

							
";
		$question_title = trim($question->question);
		if (empty($question_title)) {			
			$html_result .= get_lang('Untitled').' '.get_lang('Question').' #'.$question->id;
		} else {				
			$html_result .= $question->question;
		}
		
		$html_result .= "
";						
		$html_result .= round($question->results, 2).' / '.$question->weighting;
		$html_result .= "
";                       
        $html_result .= $question->quantity;
        $html_result .= "
';
} else {	
	if (!empty($course_code)) {
		Display::display_warning_message(get_lang('NoResults'));
	}
}

if (!$export_to_xls) {
	echo $html_result;	
}

$filename = 'exam-reporting-'.date('Y-m-d-h:i:s').'.xls';
if ($export_to_xls) {
	echo $html_result;
	export_complete_report_xls($filename, $export_array);
	exit;
}

function sort_user($a, $b) {
	if (is_numeric($a['score']) && is_numeric($b['score'])) {
		echo $a['score'].' : '.$b['score'];
		echo '
';
		if ($a['score'] < $b['score']) {
			return 1;
		}
		return 0;
	}
	return 1;	
}

function export_complete_report_xls($filename, $array) {
		global $charset;
		$workbook = new Spreadsheet_Excel_Writer();
		$workbook ->setTempDir(api_get_path(SYS_ARCHIVE_PATH));
		$workbook->send($filename);
		$workbook->setVersion(8); // BIFF8
		$worksheet =& $workbook->addWorksheet('Report');
		//$worksheet->setInputEncoding(api_get_system_encoding());
		$worksheet->setInputEncoding($charset);
		/*
		$line = 0;
		$column = 1; // Skip the first column (row titles)
		foreach ($array as $elem) {
			$worksheet->write($line, $column, $elem);
			$column++;
		}
		$workbook->close();*/
		exit;
}

Display :: display_footer();