chamilo / chamilo-lms

main/exercice/exercise_submit.php

Indentation +188 added lines, -188 removed lines

@@ -116,7 +116,7 @@ 
     if (!$objExercise->read($exerciseId) ||
         (!$objExercise->selectStatus() && !$is_allowedToEdit && $origin != 'learnpath')
     ) {
-    	if ($debug) {error_log('1.1. Error while reading the exercise'); };
+        if ($debug) {error_log('1.1. Error while reading the exercise'); };
         unset ($objExercise);
         $error = get_lang('ExerciseNotFound');
     } else {
@@ -129,13 +129,13 @@ 
 }
 //2. Checking if $objExercise is set
 if (!isset($objExercise) && isset($exerciseInSession)) {
-	if ($debug) { error_log('2. Loading $objExercise from session'); };
+    if ($debug) { error_log('2. Loading $objExercise from session'); };
     $objExercise = $exerciseInSession;
 }
 
 //3. $objExercise is not set, then return to the exercise list
 if (!is_object($objExercise)) {
-	if ($debug) {error_log('3. $objExercise was not set, kill the script'); };
+    if ($debug) {error_log('3. $objExercise was not set, kill the script'); };
     header('Location: exercise.php');
     exit;
 }
@@ -156,7 +156,7 @@ 
 
 $time_control = false;
 if ($objExercise->expired_time != 0) {
-	$time_control = true;
+    $time_control = true;
 }
 
 // Generating the time control key for the user
@@ -165,14 +165,14 @@ 
 $_SESSION['duration_time'][$current_expired_time_key] = $current_timestamp;
 
 if ($time_control) {
-	// Get the expired time of the current exercise in track_e_exercises
-	$total_seconds = $objExercise->expired_time*60;
+    // Get the expired time of the current exercise in track_e_exercises
+    $total_seconds = $objExercise->expired_time*60;
 }
 
 $show_clock = true;
 $user_id = api_get_user_id();
 if ($objExercise->selectAttempts() > 0) {
-	$attempt_html = '';
+    $attempt_html = '';
     $attempt_count = Event::get_attempt_count(
         $user_id,
         $exerciseId,
@@ -181,9 +181,9 @@ 
         $learnpath_item_view_id
     );
 
-	if ($attempt_count >= $objExercise->selectAttempts()) {
-		$show_clock = false;
-		if (!api_is_allowed_to_edit(null,true)) {
+    if ($attempt_count >= $objExercise->selectAttempts()) {
+        $show_clock = false;
+        if (!api_is_allowed_to_edit(null,true)) {
             if ($objExercise->results_disabled == 0 && $origin != 'learnpath') {
 
                 // Showing latest attempt according with task BT#1628
@@ -222,31 +222,31 @@ 
                             $attempt_html .= Display::div(get_lang('Score').' '.$marks, array('id'=>'question_question_titlescore'));
                         }
                     }
-					$score =  ExerciseLib::show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
-					$attempt_html .= Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
-				} else {
-					$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
-				}
-			} else {
-				$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
-			}
-		} else {
-			$attempt_html .= Display :: return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
-		}
+                    $score =  ExerciseLib::show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
+                    $attempt_html .= Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
+                } else {
+                    $attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
+                }
+            } else {
+                $attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
+            }
+        } else {
+            $attempt_html .= Display :: return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
+        }
 
-		if ($origin == 'learnpath') {
-			Display :: display_reduced_header();
-		} else {
-			Display :: display_header(get_lang('Exercises'));
-		}
+        if ($origin == 'learnpath') {
+            Display :: display_reduced_header();
+        } else {
+            Display :: display_header(get_lang('Exercises'));
+        }
 
-		echo $attempt_html;
+        echo $attempt_html;
 
         if ($origin != 'learnpath') {
             Display:: display_footer();
         }
-		exit;
-	}
+        exit;
+    }
 }
 
 if ($debug) {
@@ -270,26 +270,26 @@ 
 
 if (empty($exercise_stat_info)) {
     if ($debug)  error_log('5  $exercise_stat_info is empty ');
-	$total_weight = 0;
-	$questionList = $objExercise->get_validated_question_list();
-	foreach ($questionListUncompressed as $question_id) {
-		$objQuestionTmp = Question::read($question_id);
-		$total_weight += floatval($objQuestionTmp->weighting);
-	}
+    $total_weight = 0;
+    $questionList = $objExercise->get_validated_question_list();
+    foreach ($questionListUncompressed as $question_id) {
+        $objQuestionTmp = Question::read($question_id);
+        $total_weight += floatval($objQuestionTmp->weighting);
+    }
 
-	if ($time_control) {
-		$expected_time = $current_timestamp + $total_seconds;
+    if ($time_control) {
+        $expected_time = $current_timestamp + $total_seconds;
 
-		if ($debug)  error_log('5.1. $current_timestamp '.$current_timestamp);
-		if ($debug)  error_log('5.2. $expected_time '.$expected_time);
+        if ($debug)  error_log('5.1. $current_timestamp '.$current_timestamp);
+        if ($debug)  error_log('5.2. $expected_time '.$expected_time);
 
-		$clock_expired_time 	= api_get_utc_datetime($expected_time);
-		if ($debug) error_log('5.3. $expected_time '.$clock_expired_time);
+        $clock_expired_time 	= api_get_utc_datetime($expected_time);
+        if ($debug) error_log('5.3. $expected_time '.$clock_expired_time);
 
-		//Sessions  that contain the expired time
-		$_SESSION['expired_time'][$current_expired_time_key] 	 = $clock_expired_time;
-		if ($debug) { error_log('5.4. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
-	}
+        //Sessions  that contain the expired time
+        $_SESSION['expired_time'][$current_expired_time_key] 	 = $clock_expired_time;
+        if ($debug) { error_log('5.4. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
+    }
 
     $exe_id = $objExercise->save_stat_track_exercise_info(
         $clock_expired_time,
@@ -306,7 +306,7 @@ 
     );
     if ($debug)  error_log("5.5  exercise_stat_info[] exists getting exe_id $exe_id");
 } else {
-	$exe_id = $exercise_stat_info['exe_id'];
+    $exe_id = $exercise_stat_info['exe_id'];
     // Remember last question id position.
     $isFirstTime = Session::read('firstTime');
     if ($isFirstTime && $objExercise->type == ONE_PER_PAGE) {
@@ -365,9 +365,9 @@ 
 if ($debug) { error_log('6. $objExercise->get_stat_track_exercise_info function called::  '.print_r($exercise_stat_info, 1)); };
 
 if (!empty($exercise_stat_info['questions_to_check'])) {
-	$my_remind_list = $exercise_stat_info['questions_to_check'];
-	$my_remind_list = explode(',', $my_remind_list);
-	$my_remind_list = array_filter($my_remind_list);
+    $my_remind_list = $exercise_stat_info['questions_to_check'];
+    $my_remind_list = explode(',', $my_remind_list);
+    $my_remind_list = array_filter($my_remind_list);
 }
 
 $params = "exe_id=$exe_id&exerciseId=$exerciseId&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id&".api_get_cidreq();
@@ -375,8 +375,8 @@ 
 
 if ($reminder == 2 && empty($my_remind_list)) {
     if ($debug) { error_log("6.2 calling the exercise_reminder.php "); };
-	header('Location: exercise_reminder.php?'.$params);
-	exit;
+    header('Location: exercise_reminder.php?'.$params);
+    exit;
 }
 
 /*
@@ -384,56 +384,56 @@ 
  * If the expired time is major that zero(0) then the expired time is compute on this time.
  */
 if ($time_control) {
-	if ($debug) error_log('7.1. Time control is enabled');
-	if ($debug) error_log('7.2. $current_expired_time_key  '.$current_expired_time_key);
-	if ($debug) error_log('7.3. $_SESSION[expired_time][$current_expired_time_key]  '.$_SESSION['expired_time'][$current_expired_time_key]);
+    if ($debug) error_log('7.1. Time control is enabled');
+    if ($debug) error_log('7.2. $current_expired_time_key  '.$current_expired_time_key);
+    if ($debug) error_log('7.3. $_SESSION[expired_time][$current_expired_time_key]  '.$_SESSION['expired_time'][$current_expired_time_key]);
 
     if (!isset($_SESSION['expired_time'][$current_expired_time_key])) {
         //Timer - Get expired_time for a student
         if (!empty($exercise_stat_info)) {
-        	if ($debug) {error_log('7.4 Seems that the session ends and the user want to retake the exam'); };
-	        $expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
-			if ($debug) {error_log('7.5 $expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
-	        // Get the last attempt of an exercise
-	    	$last_attempt_date = Event::getLastAttemptDateOfExercise($exercise_stat_info['exe_id']);
+            if ($debug) {error_log('7.4 Seems that the session ends and the user want to retake the exam'); };
+            $expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
+            if ($debug) {error_log('7.5 $expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
+            // Get the last attempt of an exercise
+            $last_attempt_date = Event::getLastAttemptDateOfExercise($exercise_stat_info['exe_id']);
 
-	    	/* This means that the user enters the exam but do not answer the
+            /* This means that the user enters the exam but do not answer the
 	    	   first question we get the date from the track_e_exercises not from
 	    	   the track_et_attempt see #2069 */
-	    	if (empty($last_attempt_date)) {
-	    		$diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
-	    		$last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
-	    	} else {
-	    		//Recalculate the time control due #2069
-	    		$diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
-	    		$last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
-	    	}
-	        if ($debug) {error_log('7.6. $last_attempt_date: '.$last_attempt_date); }
-
-	        //New expired time - it is due to the possible closure of session
-	        $new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
-	        if ($debug) {error_log('7.7. $new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
-
-	        $expected_time	= $current_timestamp + $new_expired_time_in_seconds;
-	        if ($debug) {error_log('7.8. $expected_time1: '.$expected_time); }
-
-	        $clock_expired_time  = api_get_utc_datetime($expected_time);
-	        if ($debug) {error_log('7.9. $clock_expired_time: '.$clock_expired_time); }
-
-			// First we update the attempt to today
-			/* How the expired time is changed into "track_e_exercises" table,
+            if (empty($last_attempt_date)) {
+                $diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
+                $last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
+            } else {
+                //Recalculate the time control due #2069
+                $diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
+                $last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
+            }
+            if ($debug) {error_log('7.6. $last_attempt_date: '.$last_attempt_date); }
+
+            //New expired time - it is due to the possible closure of session
+            $new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
+            if ($debug) {error_log('7.7. $new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
+
+            $expected_time	= $current_timestamp + $new_expired_time_in_seconds;
+            if ($debug) {error_log('7.8. $expected_time1: '.$expected_time); }
+
+            $clock_expired_time  = api_get_utc_datetime($expected_time);
+            if ($debug) {error_log('7.9. $clock_expired_time: '.$clock_expired_time); }
+
+            // First we update the attempt to today
+            /* How the expired time is changed into "track_e_exercises" table,
                then the last attempt for this student should be changed too */
-	        $sql = "UPDATE $exercise_attempt_table SET
+            $sql = "UPDATE $exercise_attempt_table SET
 	                tms = '".api_get_utc_datetime()."'
 	                WHERE
 	                    exe_id = '".$exercise_stat_info['exe_id']."' AND
 	                    tms = '".$last_attempt_date."' ";
-	        if ($debug) {error_log('7.10. $sql: '.$sql); }
-	        Database::query($sql);
+            if ($debug) {error_log('7.10. $sql: '.$sql); }
+            Database::query($sql);
 
-	        //Sessions  that contain the expired time
-	        $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
-	        if ($debug) {error_log('7.11. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
+            //Sessions  that contain the expired time
+            $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
+            if ($debug) {error_log('7.11. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
         }
     } else {
         $clock_expired_time =  $_SESSION['expired_time'][$current_expired_time_key];
@@ -450,7 +450,7 @@ 
  * for more details of how it works see this link : http://eric.garside.name/docs.html?p=epiclock
  */
 if ($time_control) { //Sends the exercise form when the expired time is finished
-	$htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
+    $htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
 }
 
 // if the user has submitted the form
@@ -463,14 +463,14 @@ 
     // selects the list of question ID
     $questionList = $objExercise->get_validated_question_list();
     if ($objExercise->isRandom() && !empty($exercise_stat_info['data_tracking'])) {
-    	$questionList = explode(',', $exercise_stat_info['data_tracking']);
+        $questionList = explode(',', $exercise_stat_info['data_tracking']);
     }
     Session::write('questionList', $questionList);
     if ($debug > 0) { error_log('$_SESSION[questionList] was set'); }
 } else {
-	if (isset($objExercise) && isset($_SESSION['objExercise'])) {
-    	$questionList = $_SESSION['questionList'];
-	}
+    if (isset($objExercise) && isset($_SESSION['objExercise'])) {
+        $questionList = $_SESSION['questionList'];
+    }
 }
 
 if ($debug) error_log('8. Question list loaded '.print_r($questionList, 1));
@@ -478,7 +478,7 @@ 
 //Real question count
 $question_count = 0;
 if (!empty($questionList)) {
-	$question_count = count($questionList);
+    $question_count = count($questionList);
 }
 
 if ($formSent && isset($_POST)) {
@@ -520,11 +520,11 @@ 
                 //saving each question
                 if ($objExercise->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
                     $nro_question = $current_question; // - 1;
-                 	$questionId   = $key;
+                        $questionId   = $key;
                     // gets the student choice for this question
                     $choice = $exerciseResult[$questionId];
                     if (isset($exe_id)) {
-                    	// Manage the question and answer attempts
+                        // Manage the question and answer attempts
                         if ($debug) { error_log('8.3. manage_answer exe_id: '.$exe_id.' - $questionId: '.$questionId.' Choice'.print_r($choice,1)); }
                         $objExercise->manage_answer(
                             $exe_id,
@@ -613,58 +613,58 @@ 
 }
 
 if ($question_count != 0) {
-	if (($objExercise->type == ALL_ON_ONE_PAGE ||
+    if (($objExercise->type == ALL_ON_ONE_PAGE ||
         $current_question > $question_count)
     ) {
-	    if (api_is_allowed_to_session_edit()) {
-	        // goes to the script that will show the result of the exercise
-	        if ($objExercise->type == ALL_ON_ONE_PAGE) {
-	            if ($debug) { error_log('12. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
-
-	            //We check if the user attempts before sending to the exercise_result.php
-	            if ($objExercise->selectAttempts() > 0) {
-	                $attempt_count = Event::get_attempt_count(
+        if (api_is_allowed_to_session_edit()) {
+            // goes to the script that will show the result of the exercise
+            if ($objExercise->type == ALL_ON_ONE_PAGE) {
+                if ($debug) { error_log('12. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
+
+                //We check if the user attempts before sending to the exercise_result.php
+                if ($objExercise->selectAttempts() > 0) {
+                    $attempt_count = Event::get_attempt_count(
                         api_get_user_id(),
                         $exerciseId,
                         $learnpath_id,
                         $learnpath_item_id,
                         $learnpath_item_view_id
                     );
-	                if ($attempt_count >= $objExercise->selectAttempts()) {
-	                    Display :: display_warning_message(
+                    if ($attempt_count >= $objExercise->selectAttempts()) {
+                        Display :: display_warning_message(
                             sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()),
                             false
                         );
-	                    if ($origin != 'learnpath') {
-	                        //so we are not in learnpath tool
-	                        echo '</div>'; //End glossary div
-	                        Display :: display_footer();
-	                    } else {
-	                        echo '</body></html>';
-	                    }
-	                    exit;
-	                }
-	            }
-	        } else {
-	            if ($objExercise->review_answers) {
-	            	header('Location: exercise_reminder.php?'.$params);
-	            	exit;
-	            } else {
+                        if ($origin != 'learnpath') {
+                            //so we are not in learnpath tool
+                            echo '</div>'; //End glossary div
+                            Display :: display_footer();
+                        } else {
+                            echo '</body></html>';
+                        }
+                        exit;
+                    }
+                }
+            } else {
+                if ($objExercise->review_answers) {
+                    header('Location: exercise_reminder.php?'.$params);
+                    exit;
+                } else {
                     header("Location: exercise_result.php?".api_get_cidreq()."&exe_id=$exe_id&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
                     exit;
-	            }
-	        }
-	    } else {
-	        if ($debug) { error_log('Redirecting to exercise_submit.php'); }
-	        exit;
-	    }
-	}
+                }
+            }
+        } else {
+            if ($debug) { error_log('Redirecting to exercise_submit.php'); }
+            exit;
+        }
+    }
 } else {
-	$error = get_lang('ThereAreNoQuestionsForThisExercise');
-	// if we are in the case where user select random by category, but didn't choose the number of random question
-	if ($objExercise->selectRandomByCat() > 0 && $objExercise->random <= 0) {
-		$error .= "<br/>".get_lang('PleaseSelectSomeRandomQuestion');
-	}
+    $error = get_lang('ThereAreNoQuestionsForThisExercise');
+    // if we are in the case where user select random by category, but didn't choose the number of random question
+    if ($objExercise->selectRandomByCat() > 0 && $objExercise->random <= 0) {
+        $error .= "<br/>".get_lang('PleaseSelectSomeRandomQuestion');
+    }
 }
 
 if (!empty ($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
@@ -703,9 +703,9 @@ 
 if (api_is_course_admin() && $origin != 'learnpath') {
     echo '<div class="actions">';
     if ($show_quiz_edition == false) {
-    	echo '<a href="exercise_admin.php?' . api_get_cidreq() . '&modifyExercise=yes&exerciseId=' . $objExercise->id . '">'.Display :: return_icon('settings.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="exercise_admin.php?' . api_get_cidreq() . '&modifyExercise=yes&exerciseId=' . $objExercise->id . '">'.Display :: return_icon('settings.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
     } else {
-    	echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
     }
     echo '</div>';
 }
@@ -748,7 +748,7 @@ 
             $message_warning = $permission_to_start ? get_lang('ReachedTimeLimit') : get_lang('ExerciseNoStartedYet');
             Display :: display_warning_message(sprintf($message_warning, $exercise_title, $objExercise->selectAttempts()));
             if ($origin != 'learnpath') {
-            	Display :: display_footer();
+                Display :: display_footer();
             }
             exit;
         } else {
@@ -763,7 +763,7 @@ 
 if (isset($_custom['exercises_hidden_when_no_start_date']) &&
     $_custom['exercises_hidden_when_no_start_date']
 ) {
-	if (empty($objExercise->start_time) || $objExercise->start_time == '0000-00-00 00:00:00') {
+    if (empty($objExercise->start_time) || $objExercise->start_time == '0000-00-00 00:00:00') {
         Display:: display_warning_message(
             sprintf(
                 get_lang('ExerciseNoStartedYet'),
@@ -771,20 +771,20 @@ 
                 $objExercise->selectAttempts()
             )
         );
-		if ($origin != 'learnpath') {
-			Display :: display_footer();
-		}
-	}
+        if ($origin != 'learnpath') {
+            Display :: display_footer();
+        }
+    }
 }
 
 //Timer control
 if ($time_control) {
     echo $objExercise->return_time_left_div();
-	echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciseExpiredTimeMessage').'</div>';
+    echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciseExpiredTimeMessage').'</div>';
 }
 
 if ($origin != 'learnpath') {
-   echo '<div id="highlight-plugin" class="glossary-content">';
+    echo '<div id="highlight-plugin" class="glossary-content">';
 }
 
 if ($reminder == 2)  {
@@ -796,53 +796,53 @@ 
     $current_question = 1; //set by default the 1st question
 
     if (!empty($my_remind_list)) {
-    	// Checking which questions we are going to call from the remind list
-		for ($i = 0; $i < count($data_tracking); $i++) {
-			for($j = 0; $j < count($my_remind_list); $j++) {
-
-				if (!empty($remind_question_id)) {
-					if ($remind_question_id == $my_remind_list[$j]) {
-
-			        	if ($remind_question_id == $data_tracking[$i]) {
-			        		if (isset($my_remind_list[$j+1])) {
-			        			$remind_question_id = $my_remind_list[$j+1];
-			        			$current_question = $i + 1;
-			        		} else {
+        // Checking which questions we are going to call from the remind list
+        for ($i = 0; $i < count($data_tracking); $i++) {
+            for($j = 0; $j < count($my_remind_list); $j++) {
+
+                if (!empty($remind_question_id)) {
+                    if ($remind_question_id == $my_remind_list[$j]) {
+
+                        if ($remind_question_id == $data_tracking[$i]) {
+                            if (isset($my_remind_list[$j+1])) {
+                                $remind_question_id = $my_remind_list[$j+1];
+                                $current_question = $i + 1;
+                            } else {
                                 // We end the remind list we go to the exercise_reminder.php please
-			        			$remind_question_id = -1;
-			        			$current_question = $i + 1; // last question
-			        		}
-			        		break 2;
-			            }
-					}
-				} else {
-					if ($my_remind_list[$j] == $data_tracking[$i]) {
-						if (isset($my_remind_list[$j+1])) {
-							$remind_question_id = $my_remind_list[$j+1];
-							$current_question = $i + 1; // last question
-						} else {
+                                $remind_question_id = -1;
+                                $current_question = $i + 1; // last question
+                            }
+                            break 2;
+                        }
+                    }
+                } else {
+                    if ($my_remind_list[$j] == $data_tracking[$i]) {
+                        if (isset($my_remind_list[$j+1])) {
+                            $remind_question_id = $my_remind_list[$j+1];
+                            $current_question = $i + 1; // last question
+                        } else {
                             // We end the remind list we go to the exercise_reminder.php please
-							$remind_question_id = -1;
-							$current_question = $i + 1; // last question
-						}
-						break 2;
-					}
-				}
-			}
+                            $remind_question_id = -1;
+                            $current_question = $i + 1; // last question
+                        }
+                        break 2;
+                    }
+                }
+            }
         }
     } else {
-    	if ($objExercise->review_answers) {
+        if ($objExercise->review_answers) {
             if ($debug) { error_log('. redirecting to exercise_reminder.php '); }
-	    	header("Location: exercise_reminder.php?$params");
-	    	exit;
-    	}
+            header("Location: exercise_reminder.php?$params");
+            exit;
+        }
     }
 }
 
 if ($objExercise->review_answers) {
-	$script_php = 'exercise_reminder.php';
+    $script_php = 'exercise_reminder.php';
 } else {
-	$script_php = 'exercise_result.php';
+    $script_php = 'exercise_result.php';
 }
 
 if (!empty($error)) {
@@ -1086,7 +1086,7 @@ 
          <input type="hidden" name="learnpath_item_id" 		value="'.$learnpath_item_id . '" />
          <input type="hidden" name="learnpath_item_view_id" value="'.$learnpath_item_view_id . '" />';
 
-	// Show list of questions
+    // Show list of questions
     $i = 1;
     $attempt_list = array();
     if (isset($exe_id)) {
@@ -1136,10 +1136,10 @@ 
 
         $attributes = array('id' =>'remind_list['.$questionId.']');
         if (in_array($questionId, $remind_list)) {
-        	$is_remind_on = true;
-        	$attributes['checked'] = 1;
-        	$remind_question = true;
-        	$remind_highlight = ' remind_highlight ';
+            $is_remind_on = true;
+            $attributes['checked'] = 1;
+            $remind_question = true;
+            $remind_highlight = ' remind_highlight ';
         }
 
         // Showing the exercise description
@@ -1213,8 +1213,8 @@ 
     }
     // end foreach()
     if ($objExercise->type == ALL_ON_ONE_PAGE) {
-    	$exercise_actions =  $objExercise->show_button($questionId, $current_question);
-    	echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
+        $exercise_actions =  $objExercise->show_button($questionId, $current_question);
+        echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
         echo '<br>';
     }
     echo '</form>';

main/inc/lib/javascript/svgedit/extensions/allowedMimeTypes.php

Indentation +1 added lines, -1 removed lines

@@ -6,7 +6,7 @@
     'jpeg' => 'image/jpeg',
     'bmp' => 'image/bmp',
     'webp' => 'image/webp',
-	'pdf' => 'application/pdf'
+    'pdf' => 'application/pdf'
 );
 
 ?>
\ No newline at end of file

main/inc/lib/javascript/svgedit/extensions/savefile.php

Indentation +13 added lines, -13 removed lines

@@ -1,16 +1,16 @@
 <?php
-	// You must first create a file "savefile_config.php" in this extensions directory and do whatever
-	//   checking of user credentials, etc. that you wish; otherwise anyone will be able to post SVG
-	//   files to your server which may cause disk space or possibly security problems
-  require('savefile_config.php');
-  if (!isset($_POST['output_svg'])) {
-		print "You must supply output_svg";
-		exit;
-	}
-	$svg = $_POST['output_svg'];
-	$filename = (isset($_POST['filename']) && !empty($_POST['filename']) ? preg_replace('@[\\\\/:*?"<>|]@u', '_', $_POST['filename']) : 'saved') . '.svg'; // These characters are indicated as prohibited by Windows
+    // You must first create a file "savefile_config.php" in this extensions directory and do whatever
+    //   checking of user credentials, etc. that you wish; otherwise anyone will be able to post SVG
+    //   files to your server which may cause disk space or possibly security problems
+    require('savefile_config.php');
+    if (!isset($_POST['output_svg'])) {
+        print "You must supply output_svg";
+        exit;
+    }
+    $svg = $_POST['output_svg'];
+    $filename = (isset($_POST['filename']) && !empty($_POST['filename']) ? preg_replace('@[\\\\/:*?"<>|]@u', '_', $_POST['filename']) : 'saved') . '.svg'; // These characters are indicated as prohibited by Windows
 
-	$fh = fopen($filename, 'w') or die("Can't open file");
-	fwrite($fh, $svg);
-	fclose($fh);
+    $fh = fopen($filename, 'w') or die("Can't open file");
+    fwrite($fh, $svg);
+    fclose($fh);
 ?>

main/inc/lib/javascript/svgedit/extensions/imagelib/users.php

Indentation +22 added lines, -22 removed lines

@@ -16,19 +16,19 @@ 
 //get all files and folders
 $scan_files = [];
 if (is_dir($user_disk_path)) {
-	$scan_files = scandir($user_disk_path);
+    $scan_files = scandir($user_disk_path);
 }
 //get all svg and png files
 $accepted_extensions = array('.svg', '.png');
 
 if (is_array($scan_files) && count($scan_files) > 0) {
-	foreach ($scan_files as & $file) {
-		$slideshow_extension = strrchr($file, '.');
-		$slideshow_extension = strtolower($slideshow_extension);
-		if (in_array($slideshow_extension, $accepted_extensions)) {
-			$png_svg_files[] =$file;
-		}
-	}
+    foreach ($scan_files as & $file) {
+        $slideshow_extension = strrchr($file, '.');
+        $slideshow_extension = strtolower($slideshow_extension);
+        if (in_array($slideshow_extension, $accepted_extensions)) {
+            $png_svg_files[] =$file;
+        }
+    }
 }
 $style = '<style>';
 $style .= '@import "'.api_get_path(WEB_CSS_PATH).'base.css";';
@@ -47,23 +47,23 @@ 
 echo '<h2>'.get_lang('SocialNetwork').': '.get_lang('MyFiles').'</h2>';
 
 if (!empty($png_svg_files)) {
-	echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
-	echo '<ul>';
-	foreach($png_svg_files as $filename) {
-		$image = $user_disk_path.$filename;
+    echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
+    echo '<ul>';
+    foreach($png_svg_files as $filename) {
+        $image = $user_disk_path.$filename;
 
-		if (strpos($filename, "svg")){
-			$new_sizes['width'] = 60;
-			$new_sizes['height'] = 60;
-		} else {
-			$new_sizes = api_resize_image($image, 60, 60);
-		}
+        if (strpos($filename, "svg")){
+            $new_sizes['width'] = 60;
+            $new_sizes['height'] = 60;
+        } else {
+            $new_sizes = api_resize_image($image, 60, 60);
+        }
 
-		echo '<li style="display:inline; padding:8px;"><a href="'.$user_web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$user_web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
-	}
-	echo '</ul>';
+        echo '<li style="display:inline; padding:8px;"><a href="'.$user_web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$user_web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
+    }
+    echo '</ul>';
 } else {
-	Display::display_warning_message(get_lang('NoSVGImages'));
+    Display::display_warning_message(get_lang('NoSVGImages'));
 }
 ?>
 </body>

main/inc/lib/javascript/svgedit/extensions/imagelib/groups.php

Indentation +19 added lines, -19 removed lines

@@ -34,9 +34,9 @@ 
 $array_to_search = is_array($docs_and_folders) ? $docs_and_folders : array();
 
 if (count($array_to_search) > 0) {
-	while (list($key) = each($array_to_search)) {
-		$all_files[] = basename($array_to_search[$key]['path']);
-	}
+    while (list($key) = each($array_to_search)) {
+        $all_files[] = basename($array_to_search[$key]['path']);
+    }
 }
 
 //get all svg and png group files
@@ -70,26 +70,26 @@ 
         ($is_allowed_to_edit || GroupManager :: is_user_in_group($_user['user_id'], $groupId))) || $group_properties['doc_state'] == 1
 ){
 
-	if (!empty($png_svg_files)) {
-		echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
-		echo '<ul>';
-		foreach($png_svg_files as $filename) {
-			$image = $group_disk_path.$filename;
-
-			if (strpos($filename, "svg")){
-				$new_sizes['width'] = 60;
-				$new_sizes['height'] = 60;
-			} else {
-				$new_sizes = api_resize_image($image, 60, 60);
-			}
+    if (!empty($png_svg_files)) {
+        echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
+        echo '<ul>';
+        foreach($png_svg_files as $filename) {
+            $image = $group_disk_path.$filename;
+
+            if (strpos($filename, "svg")){
+                $new_sizes['width'] = 60;
+                $new_sizes['height'] = 60;
+            } else {
+                $new_sizes = api_resize_image($image, 60, 60);
+            }
             echo '<li style="display:inline; padding:8px;">';
             echo '<a href = "'.$group_web_path.$filename.'" alt="'.$filename.'" title="'.$filename.'">';
             echo '<img src = "'.$group_web_path.$filename.'" width = "'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
-		}
-		echo '</ul>';
-	}
+        }
+        echo '</ul>';
+    }
 } else {
-	echo Display::display_warning_message(get_lang('OnlyAccessFromYourGroup'));
+    echo Display::display_warning_message(get_lang('OnlyAccessFromYourGroup'));
 }
 ?>
 </body>

main/inc/lib/javascript/svgedit/extensions/imagelib/index.php

Indentation +27 added lines, -27 removed lines

@@ -23,22 +23,22 @@ 
 $array_to_search = is_array($docs_and_folders) ? $docs_and_folders : array();
 
 if (count($array_to_search) > 0) {
-	while (list($key) = each($array_to_search)) {
-		$all_files[] = basename($array_to_search[$key]['path']);
-	}
+    while (list($key) = each($array_to_search)) {
+        $all_files[] = basename($array_to_search[$key]['path']);
+    }
 }
 
 //get all svg and png files
 $accepted_extensions = array('.svg', '.png');
 
 if (is_array($all_files) && count($all_files) > 0) {
-	foreach ($all_files as & $file) {
-		$slideshow_extension = strrchr($file, '.');
-		$slideshow_extension = strtolower($slideshow_extension);
-		if (in_array($slideshow_extension, $accepted_extensions)) {
-			$png_svg_files[] =$file;
-		}
-	}
+    foreach ($all_files as & $file) {
+        $slideshow_extension = strrchr($file, '.');
+        $slideshow_extension = strtolower($slideshow_extension);
+        if (in_array($slideshow_extension, $accepted_extensions)) {
+            $png_svg_files[] =$file;
+        }
+    }
 }
 
 $disk_path = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/document/images/gallery/';
@@ -57,24 +57,24 @@ 
 <?php
 echo '<h2>'.get_lang('Course').': '.$course_info['name'].'</h2>';
 if (!empty($png_svg_files)) {
-	echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
-	echo '<ul>';
-	foreach($png_svg_files as $filename) {
-		$image=$disk_path.$filename;
-
-		if (strpos($filename, "svg")){
-			$new_sizes['width'] = 60;
-			$new_sizes['height'] = 60;
-		}
-		else {
-			$new_sizes = api_resize_image($image, 60, 60);
-		}
-
-		echo '<li style="display:inline; padding:8px;"><a href="'.$web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
-	}
-	echo '</ul>';
+    echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
+    echo '<ul>';
+    foreach($png_svg_files as $filename) {
+        $image=$disk_path.$filename;
+
+        if (strpos($filename, "svg")){
+            $new_sizes['width'] = 60;
+            $new_sizes['height'] = 60;
+        }
+        else {
+            $new_sizes = api_resize_image($image, 60, 60);
+        }
+
+        echo '<li style="display:inline; padding:8px;"><a href="'.$web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
+    }
+    echo '</ul>';
 } else {
-	Display::display_warning_message(get_lang('NoSVGImagesInImagesGalleryPath'));
+    Display::display_warning_message(get_lang('NoSVGImagesInImagesGalleryPath'));
 }
 ?>
 </body>

main/inc/lib/svg-edit/extensions/imagelib/users.php

Indentation +22 added lines, -22 removed lines

@@ -16,19 +16,19 @@ 
 //get all files and folders
 $scan_files = [];
 if (is_dir($user_disk_path)) {
-	$scan_files = scandir($user_disk_path);
+    $scan_files = scandir($user_disk_path);
 }
 //get all svg and png files
 $accepted_extensions = array('.svg', '.png');
 
 if (is_array($scan_files) && count($scan_files) > 0) {
-	foreach ($scan_files as & $file) {
-		$slideshow_extension = strrchr($file, '.');
-		$slideshow_extension = strtolower($slideshow_extension);
-		if (in_array($slideshow_extension, $accepted_extensions)) {
-			$png_svg_files[] =$file;
-		}
-	}
+    foreach ($scan_files as & $file) {
+        $slideshow_extension = strrchr($file, '.');
+        $slideshow_extension = strtolower($slideshow_extension);
+        if (in_array($slideshow_extension, $accepted_extensions)) {
+            $png_svg_files[] =$file;
+        }
+    }
 }
 $style = '<style>';
 $style .= '@import "'.api_get_path(WEB_CSS_PATH).'base.css";';
@@ -47,23 +47,23 @@ 
 echo '<h2>'.get_lang('SocialNetwork').': '.get_lang('MyFiles').'</h2>';
 
 if (!empty($png_svg_files)) {
-	echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
-	echo '<ul>';
-	foreach($png_svg_files as $filename) {
-		$image = $user_disk_path.$filename;
+    echo '<h3>'.get_lang('SelectSVGEditImage').'</h3>';
+    echo '<ul>';
+    foreach($png_svg_files as $filename) {
+        $image = $user_disk_path.$filename;
 
-		if (strpos($filename, "svg")){
-			$new_sizes['width'] = 60;
-			$new_sizes['height'] = 60;
-		} else {
-			$new_sizes = api_resize_image($image, 60, 60);
-		}
+        if (strpos($filename, "svg")){
+            $new_sizes['width'] = 60;
+            $new_sizes['height'] = 60;
+        } else {
+            $new_sizes = api_resize_image($image, 60, 60);
+        }
 
-			echo '<li style="display:inline; padding:8px;"><a href="'.$user_web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$user_web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
-	}
-	echo '</ul>';
+            echo '<li style="display:inline; padding:8px;"><a href="'.$user_web_path.$filename.'" alt "'.$filename.'" title="'.$filename.'"><img src="'.$user_web_path.$filename.'" width="'.$new_sizes['width'].'" height="'.$new_sizes['height'].'" border="0"></a></li>';
+    }
+    echo '</ul>';
 } else {
-	Display::display_warning_message(get_lang('NoSVGImages'));
+    Display::display_warning_message(get_lang('NoSVGImages'));
 }
 ?>
 </body>

main/document/edit_draw.php

Indentation +28 added lines, -28 removed lines

@@ -59,44 +59,44 @@ 
 /* Please, do not modify this dirname formatting */
 
 if (strstr($dir, '..')) {
-	$dir = '/';
+    $dir = '/';
 }
 
 if ($dir[0] == '.') {
-	$dir = substr($dir, 1);
+    $dir = substr($dir, 1);
 }
 
 if ($dir[0] != '/') {
-	$dir = '/'.$dir;
+    $dir = '/'.$dir;
 }
 
 if ($dir[strlen($dir) - 1] != '/') {
-	$dir .= '/';
+    $dir .= '/';
 }
 
 $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$dir;
 
 if (!is_dir($filepath)) {
-	$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
-	$dir = '/';
+    $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
+    $dir = '/';
 }
 
 //groups //TODO:clean
 if (!empty($group_id)) {
-	$interbreadcrumb[] = array ('url' => api_get_path(WEB_CODE_PATH).'group/group_space.php?gidReq='.$group_id, 'name' => get_lang('GroupSpace'));
-	$group_document = true;
-	$noPHP_SELF = true;
+    $interbreadcrumb[] = array ('url' => api_get_path(WEB_CODE_PATH).'group/group_space.php?gidReq='.$group_id, 'name' => get_lang('GroupSpace'));
+    $group_document = true;
+    $noPHP_SELF = true;
 }
 
 $is_certificate_mode = DocumentManager::is_certificate_mode($dir);
 
 if (!$is_certificate_mode)
-	$interbreadcrumb[] = array(
-		"url" => "./document.php?curdirpath=".urlencode($my_cur_dir_path).'&'.api_get_cidreq(),
-		"name" => get_lang('Documents')
-	);
+    $interbreadcrumb[] = array(
+        "url" => "./document.php?curdirpath=".urlencode($my_cur_dir_path).'&'.api_get_cidreq(),
+        "name" => get_lang('Documents')
+    );
 else
-	$interbreadcrumb[]= array ('url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('Gradebook'));
+    $interbreadcrumb[]= array ('url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('Gradebook'));
 
 // Interbreadcrumb for the current directory root path
 if (empty($document_data['parents'])) {
@@ -111,28 +111,28 @@ 
 }
 
 $is_allowedToEdit = api_is_allowed_to_edit(null, true) || $_SESSION['group_member_with_upload_rights'] ||
-	DocumentManager::is_my_shared_folder(api_get_user_id(), $dir, $current_session_id);
+    DocumentManager::is_my_shared_folder(api_get_user_id(), $dir, $current_session_id);
 
 if (!$is_allowedToEdit) {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 Event::event_access_tool(TOOL_DOCUMENT);
 
 Display :: display_header($nameTools, 'Doc');
 echo '<div class="actions">';
-		echo '<a href="document.php?id='.$parent_id.'">'.Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
-		echo '<a href="edit_document.php?'.api_get_cidreq().'&id='.$document_id.'&origin=editdraw">'.Display::return_icon('edit.png',get_lang('Rename').'/'.get_lang('Comments'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="document.php?id='.$parent_id.'">'.Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="edit_document.php?'.api_get_cidreq().'&id='.$document_id.'&origin=editdraw">'.Display::return_icon('edit.png',get_lang('Rename').'/'.get_lang('Comments'),'',ICON_SIZE_MEDIUM).'</a>';
 echo '</div>';
 
 if (api_browser_support('svg')) {
-	// Automatic loading the course language
-	$svgedit_code_translation_table = array('' => 'en', 'pt' => 'pt-Pt', 'sr' => 'sr_latn');
-	$langsvgedit = api_get_language_isocode();
-	$langsvgedit = isset($svgedit_code_translation_table[$langsvgedit]) ? $svgedit_code_translation_table[$langsvgedit] : $langsvgedit;
-	$langsvgedit = file_exists(api_get_path(LIBRARY_PATH).'javascript/svgedit/locale/lang.'.$langsvgedit.'.js') ? $langsvgedit : 'en';
-	$svg_url = api_get_path(WEB_LIBRARY_PATH).'javascript/svgedit/svg-editor.php?url=../../../../../courses/'.$courseDir.$dir.$file.'&lang='.$langsvgedit;
-	?>
+    // Automatic loading the course language
+    $svgedit_code_translation_table = array('' => 'en', 'pt' => 'pt-Pt', 'sr' => 'sr_latn');
+    $langsvgedit = api_get_language_isocode();
+    $langsvgedit = isset($svgedit_code_translation_table[$langsvgedit]) ? $svgedit_code_translation_table[$langsvgedit] : $langsvgedit;
+    $langsvgedit = file_exists(api_get_path(LIBRARY_PATH).'javascript/svgedit/locale/lang.'.$langsvgedit.'.js') ? $langsvgedit : 'en';
+    $svg_url = api_get_path(WEB_LIBRARY_PATH).'javascript/svgedit/svg-editor.php?url=../../../../../courses/'.$courseDir.$dir.$file.'&lang='.$langsvgedit;
+    ?>
 	<script>
 	document.write('<iframe id="frame" frameborder="0" scrolling="no" src="<?php echo  $svg_url; ?>" width="100%" height="100%"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>');
 	function resizeIframe() {
@@ -150,9 +150,9 @@ 
 
     <?php
     echo '<noscript>';
-	echo '<iframe style="height: 550px; width: 100%;" scrolling="no" frameborder="0\' src="'.$svg_url.'"<noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>';
-	echo '</noscript>';
+    echo '<iframe style="height: 550px; width: 100%;" scrolling="no" frameborder="0\' src="'.$svg_url.'"<noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>';
+    echo '</noscript>';
 } else {
-	Display::display_error_message(get_lang('BrowserDontSupportsSVG'));
+    Display::display_error_message(get_lang('BrowserDontSupportsSVG'));
 }
 Display::display_footer();

main/document/create_draw.php

Indentation +38 added lines, -38 removed lines

@@ -46,59 +46,59 @@ 
 // Please, do not modify this dirname formatting
 
 if (strstr($dir, '..')) {
-	$dir = '/';
+    $dir = '/';
 }
 
 if ($dir[0] == '.') {
-	$dir = substr($dir, 1);
+    $dir = substr($dir, 1);
 }
 
 if ($dir[0] != '/') {
-	$dir = '/'.$dir;
+    $dir = '/'.$dir;
 }
 
 if ($dir[strlen($dir) - 1] != '/') {
-	$dir .= '/';
+    $dir .= '/';
 }
 
 $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$dir;
 
 if (!is_dir($filepath)) {
-	$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
-	$dir = '/';
+    $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
+    $dir = '/';
 }
 
 $groupId = api_get_group_id();
 
 if (!empty($groupId)) {
-	$interbreadcrumb[] = array (
+    $interbreadcrumb[] = array (
         "url" => "../group/group_space.php?".api_get_cidreq(),
         "name" => get_lang('GroupSpace')
     );
-	$noPHP_SELF = true;
-	$group = GroupManager :: get_group_properties($groupId);
-	$path = explode('/', $dir);
-	if ('/'.$path[1] != $group['directory']) {
-		api_not_allowed(true);
-	}
+    $noPHP_SELF = true;
+    $group = GroupManager :: get_group_properties($groupId);
+    $path = explode('/', $dir);
+    if ('/'.$path[1] != $group['directory']) {
+        api_not_allowed(true);
+    }
 }
 
 $interbreadcrumb[] = array(
-	"url" => "./document.php?".api_get_cidreq(),
-	"name" => get_lang('Documents')
+    "url" => "./document.php?".api_get_cidreq(),
+    "name" => get_lang('Documents')
 );
 
 if (!$is_allowed_in_course) {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 if (!($is_allowed_to_edit || $_SESSION['group_member_with_upload_rights'] ||
-	DocumentManager::is_my_shared_folder(
-		api_get_user_id(),
-		Security::remove_XSS($dir),
-		api_get_session_id()))
+    DocumentManager::is_my_shared_folder(
+        api_get_user_id(),
+        Security::remove_XSS($dir),
+        api_get_session_id()))
 ) {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 
@@ -106,10 +106,10 @@ 
 Event::event_access_tool(TOOL_DOCUMENT);
 $display_dir = $dir;
 if (isset ($group)) {
-	$display_dir = explode('/', $dir);
-	unset ($display_dir[0]);
-	unset ($display_dir[1]);
-	$display_dir = implode('/', $display_dir);
+    $display_dir = explode('/', $dir);
+    unset ($display_dir[0]);
+    unset ($display_dir[1]);
+    $display_dir = implode('/', $display_dir);
 }
 
 // Interbreadcrumb for the current directory root path
@@ -123,9 +123,9 @@ 
 } else {
     foreach ($document_data['parents'] as $document_sub_data) {
         $interbreadcrumb[] = array(
-			'url' => $document_sub_data['document_url'],
-			'name' => $document_sub_data['title']
-		);
+            'url' => $document_sub_data['document_url'],
+            'name' => $document_sub_data['title']
+        );
     }
 }
 Display :: display_header($nameTools, 'Doc');
@@ -137,13 +137,13 @@ 
 
 if (api_browser_support('svg')) {
 
-	//automatic loading the course language
-	$svgedit_code_translation_table = array('' => 'en', 'pt' => 'pt-Pt', 'sr' => 'sr_latn');
-	$langsvgedit = api_get_language_isocode();
-	$langsvgedit = isset($svgedit_code_translation_table[$langsvgedit]) ? $svgedit_code_translation_table[$langsvgedit] : $langsvgedit;
-	$langsvgedit = file_exists(api_get_path(LIBRARY_PATH).'javascript/svgedit/locale/lang.'.$langsvgedit.'.js') ? $langsvgedit : 'en';
-	$svg_url= api_get_path(WEB_LIBRARY_PATH).'javascript/svgedit/svg-editor.php?lang='.$langsvgedit;
-	?>
+    //automatic loading the course language
+    $svgedit_code_translation_table = array('' => 'en', 'pt' => 'pt-Pt', 'sr' => 'sr_latn');
+    $langsvgedit = api_get_language_isocode();
+    $langsvgedit = isset($svgedit_code_translation_table[$langsvgedit]) ? $svgedit_code_translation_table[$langsvgedit] : $langsvgedit;
+    $langsvgedit = file_exists(api_get_path(LIBRARY_PATH).'javascript/svgedit/locale/lang.'.$langsvgedit.'.js') ? $langsvgedit : 'en';
+    $svg_url= api_get_path(WEB_LIBRARY_PATH).'javascript/svgedit/svg-editor.php?lang='.$langsvgedit;
+    ?>
 	<script>
 		document.write ('<iframe id="frame" frameborder="0" scrolling="no" src="<?php echo  $svg_url; ?>" width="100%" height="100%"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>');
         function resizeIframe() {
@@ -161,10 +161,10 @@ 
 
     <?php
     echo '<noscript>';
-	echo '<iframe style="height: 550px; width: 100%;" scrolling="no" frameborder="0" src="'.$svg_url.'"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>';
-	echo '</noscript>';
+    echo '<iframe style="height: 550px; width: 100%;" scrolling="no" frameborder="0" src="'.$svg_url.'"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>';
+    echo '</noscript>';
 } else {
-	Display::display_error_message(get_lang('BrowserDontSupportsSVG'));
+    Display::display_error_message(get_lang('BrowserDontSupportsSVG'));
 }
 
 Display :: display_footer();