diff --git a/entity/course_format_iena_completion.php b/entity/course_format_iena_completion.php
index 5bc75086c10547ff8fc63c7229ce219d43f9ec54..b5af69ad796a3fc6eefe10bb49ba5c42c5b044c8 100644
--- a/entity/course_format_iena_completion.php
+++ b/entity/course_format_iena_completion.php
@@ -27,6 +27,12 @@
  */
 class course_format_iena_completion {
 
+	/**
+	 * Get completion by sections
+	 * @param type $section_names 
+	 * @param type $idSection 
+	 * @return type
+	 */
 	public static function get_completion_by_section($section_names, $idSection) {
 
 		global $COURSE, $USER, $DB, $CFG;
diff --git a/entity/course_format_iena_message.php b/entity/course_format_iena_message.php
index 9ad8fe79ae934546e548d5cc441461c1a776d918..c673ae56dd946d2cbf5479c499463dcfe6c12375 100644
--- a/entity/course_format_iena_message.php
+++ b/entity/course_format_iena_message.php
@@ -61,35 +61,4 @@
 			
 		}
 		
-		public function get_content($usersID){
-
-			global $DB, $CFG, $COURSE;
-			$data=new stdClass();
-			$nb = $usersID != "" ? count( explode(",", $usersID) ) : 0;
-
-			if ( $nb == 0 ) {
-				$data->nb_results=0;
-				
-			} else {
-				
-				$data->nb_results=$nb;
-				$data->users_id=$usersID;
-				$courseID = required_param('courseid', PARAM_INT);
-				$data->link_cancel= $CFG->wwwroot . "/course/view.php?id=" . $courseID;;
-				$mform = $this->_form;
-				$description = "";
-				
-				$mform->addElement('editor', 'summary', get_string('summary', 'format_iena'));
-				$mform->setType('summary', PARAM_RAW);
-				$mform->addRule('summary', get_string('error'), 'required', null, null, false, false);
-				$mform->setDefault('summary', array('text' => $description));
-				$this->add_action_buttons(true, "Envoyer");
-				
-				$data->form=$this->render();
-
-			}
-			
-			return $data;
-			
-		}
 	}
\ No newline at end of file
diff --git a/format.php b/format.php
index 3d38a9e4172481abbd0282068a81ecf43931ef25..3b82b0591d3b1285d04e9e0dfc8045af5a5f1637 100644
--- a/format.php
+++ b/format.php
@@ -35,10 +35,7 @@
 	require_once('entity/course_format_iena_groups.php');
 	require_once('entity/course_format_iena_attendance.php');
 	
-	/*$cron_test = new course_format_iena_cron_action();
-	$cron_test->cron_hide_section();
-	$cron_test->cron_message();*/
-//use core_completion\progress;
+	
 	
 	require_once($CFG->dirroot . '/blocks/myoverview/lib.php');
 	require_once($CFG->dirroot . '/completion/classes/progress.php');
diff --git a/renderer.php b/renderer.php
index f4bc8b858532de64db32ef6af3935bbf20c1eeb7..3fe3636def61e238a82b47acefd70d96b68216ba 100644
--- a/renderer.php
+++ b/renderer.php
@@ -46,6 +46,7 @@ class format_iena_renderer extends format_topics_renderer{
 	 *
 	 * @return string
 	 */
+	//bientôt useless
 	protected function start_section_list()
 	{
 		return html_writer::start_tag('ul', ['class' => 'iena-editing']);
@@ -60,6 +61,7 @@ class format_iena_renderer extends format_topics_renderer{
 	 * @param int $sectionreturn
 	 * @return string
 	 */
+	//Bientôt useless
 	protected function section_header($section, $course, $onsectionpage, $sectionreturn = null, $iena = false){
 		global $PAGE, $CFG;
 		$o = '';
@@ -72,6 +74,7 @@ class format_iena_renderer extends format_topics_renderer{
 				$sectionstyle = ' current';
 			}
 		}
+		
 		if ($PAGE->user_is_editing()) {
 			$o .= html_writer::start_tag('li', ['id' => 'section-' . $section->section,
 				'class' => 'section main clearfix' . $sectionstyle,
@@ -80,6 +83,7 @@ class format_iena_renderer extends format_topics_renderer{
 		
 		$o .= html_writer::tag('span', $this->section_title($section, $course), ['class' => 'hidden sectionname']);
 
+		//This is were the editing menu is generated
 		if ($PAGE->user_is_editing()) {
 			$leftcontent = $this->section_left_content($section, $course, $onsectionpage);
 			$o .= html_writer::tag('div', $leftcontent, ['class' => 'left side']);
@@ -120,9 +124,7 @@ class format_iena_renderer extends format_topics_renderer{
 		
 		$o .= $this->section_availability_message($section, has_capability('moodle/course:viewhiddensections', $context));
 
-		if ($PAGE->user_is_editing()) {
-			// $o .= html_writer::end_tag('li');
-		}
+		
 
 		return $o;
 	}
@@ -152,6 +154,7 @@ class format_iena_renderer extends format_topics_renderer{
 			}
 		}
 		
+		$section->edit=$this->section_title_without_link($section, $course);
 
 		$hasnamenotsecpg = (!$onsectionpage && ($section->section != 0 || !is_null($section->name)));
 		$hasnamesecpg = ($onsectionpage && ($section->section == 0 && !is_null($section->name)));
@@ -223,85 +226,17 @@ class format_iena_renderer extends format_topics_renderer{
 			
 			
 		}
-
-
-		return $section;
-	}
-
-	protected function get_section_header_edit($section, $course, $onsectionpage, $sectionreturn = null, $iena = false){
-		global $PAGE, $CFG;
-		$o = '';
-		$currenttext = '';
-		$sectionstyle = '';
-		if ($section->section != 0) {
-			if (!$section->visible) {
-				$sectionstyle = ' hidden';
-			} elseif (course_get_format($course)->is_section_current($section)) {
-				$sectionstyle = ' current';
-			}
-		}
-		
-		$o .= html_writer::start_tag('li', ['id' => 'section-' . $section->section,
-			'class' => 'section main clearfix' . $sectionstyle,
-			'role' => 'region', 'aria-label' => get_section_name($course, $section)]);
-		
-		
-		$o .= html_writer::tag('span', $this->section_title($section, $course), ['class' => 'hidden sectionname']);
-
-		
-		$leftcontent = $this->section_left_content($section, $course, $onsectionpage);
-		$o .= html_writer::tag('div', $leftcontent, ['class' => 'left side']);
-		$rightcontent = $this->section_right_content($section, $course, $onsectionpage);
-		$o .= html_writer::tag('div', $rightcontent, ['class' => 'right side']);
-		
-
-		$hasnamenotsecpg = (!$onsectionpage && ($section->section != 0 || !is_null($section->name)));
-		$hasnamesecpg = ($onsectionpage && ($section->section == 0 && !is_null($section->name)));
-		$classes = ' accesshide';
-		if ($hasnamenotsecpg || $hasnamesecpg) {
-			$classes = '';
-		}
-		$sectionname = html_writer::tag('span', $this->section_title($section, $course));
-		
-		$o .= $this->output->heading($sectionname, 3, 'sectionname' . $classes);
-		
-		// if ($course->showdefaultsectionname) {
-		// 	$o .= $this->output->heading($sectionname, 3, 'sectionname' . $classes);
-		// }
-		// if (!$iena) { $o .= $sectionname; }
-
-		$context = context_course::instance($course->id);
-		
-		/* résumé de section */
-		if ( $section->summary != "" ) {
-			$o .= html_writer::start_tag('div', ['class' => 'iena-description']);
-			$o .= html_writer::start_tag('div', ['class' => 'small']);
-
-			$o .= html_writer::start_tag('div', ['class' => 'iena-summary']);
-			$o .= $this->format_summary_text($section);
-			$o .= html_writer::end_tag('div');
-
-			$o .= html_writer::end_tag('div');
-			$o .= html_writer::end_tag('div');
-			$o .= html_writer::tag('a', 'Voir la description complète', ['href' => '#', 'class' => 'voir-plus']);
-		}
 		
-		$o .= $this->section_availability_message($section, has_capability('moodle/course:viewhiddensections', $context));
 
-		if ($PAGE->user_is_editing()) {
-			// $o .= html_writer::end_tag('li');
-		}
 
-		return $o;
+		return $section;
 	}
 
-	public function get_completion_by_section($idSection){
+	//useless
+	/*public function get_completion_by_section($idSection){
 		global $COURSE, $USER;
 		$ressources_entity = new course_format_iena_section_ressources();
 		$section_entity = new course_format_iena_sections();
-		//$completions = $ressources_entity->get_completions_by_userid($USER->id, $COURSE->id);
-
-		// list modules in a section
 		$modules = $ressources_entity->get_ressources_completion_on_by_id_section($idSection);
 		$nb_modules = count($modules);
 		if ($nb_modules == 0) {
@@ -318,9 +253,10 @@ class format_iena_renderer extends format_topics_renderer{
 		}
 
 		return array($modules, $valueTotal);
-	}
+	}*/
 
 
+	//Bientôt useless
 	public function get_view_iena($course, $htmlsection, $nameSection, $introSection, $idSection){
 		global $CFG, $COURSE, $USER;
 		$section_entity = new course_format_iena_sections();
@@ -574,21 +510,22 @@ class format_iena_renderer extends format_topics_renderer{
 		return $view;
 	}
 
-	//
-	public function get_view_iena_new($course,$nameSection, $idSection){
+	/**
+	 * Render le template du header avec les infos nécessaires : le progrès
+	 * @param StdObject $course 
+	 * @param array<string> $nameSections
+	 * @param array<int> $idSections
+	 * @return type
+	 */
+	public function get_view_iena_new($course,$nameSections, $idSections){
 		global $CFG, $COURSE, $USER;
 		$section_entity = new course_format_iena_sections();
-
-		
-
-		$view = "";
-
 		require_once($CFG->dirroot . '/course/format/iena/entity/course_format_iena_completion.php');
 		// return false if completion disabled (site or course)
-		$cpl = course_format_iena_completion::get_completion_by_section($nameSection, $idSection);
+		$cpl = course_format_iena_completion::get_completion_by_section($nameSections, $idSections);
 
 		/* Passer le calcul de complétion de la classe course_format_iena_completion à part à la vue qui fait le header permet de ne pas récupérer deux fois les mêmes informations. */
-		$header = new view_course_header($nameSection, $idSection, $course, $cpl);
+		$header = new view_course_header($nameSections, $idSections, $course, $cpl);
 		$course_infos= $header->create_view($cpl);
 
 
@@ -606,7 +543,8 @@ class format_iena_renderer extends format_topics_renderer{
 
 
 
-
+	//Seulement en mode édition - 
+	//bientôt useless
 	public function print_iena_section_pages($course){
 		global $PAGE, $USER;
 
@@ -674,8 +612,6 @@ class format_iena_renderer extends format_topics_renderer{
 			if ($PAGE->user_is_editing()) {
 				$htmlsection[$section] .= $this->section_header($thissection, $course, false, 0);
 			}
-			//$htmlsection[$section] .= $this->section_title($thissection,$course);
-			//$introSection[$section] .= $this->section_header($thissection, $course, false, 0);
 			$introSection[$section] = $this->section_header($thissection, $course, false, 0, true);
 			if ($thissection->uservisible) {
 				/* Ne pas enlever sinon le activity chooser ne fonctionne pas en JS */
@@ -685,6 +621,7 @@ class format_iena_renderer extends format_topics_renderer{
 				$htmlsection[$section] .= $this->courserenderer->course_section_add_cm_control($course, $section, 0);
 				$htmlsection[$section] .= "</div>";
 			}
+	
 			/* pas de footer car on ne commence par la structure par une div non fermée et que ce footer ferme par une div */
 			// $htmlsection[$section] .= $this->section_footer();
 			
@@ -748,19 +685,23 @@ class format_iena_renderer extends format_topics_renderer{
 			echo $this->end_section_list();
 		}
 		echo html_writer::tag('style', '.course-content ul.iena #section-' . $sectionvisible . ' { display: block; }');
-		if (!$PAGE->user_is_editing()) {
+		//if (!$PAGE->user_is_editing()) {
 				//$PAGE->requires->js_init_call('M.format_iena.init', [$course->numsections]);
-		}
+		//}
 
 	}
 
-	public function get_iena_sections($course){
+	/**
+	 * Fetch the course sections with infos
+	 * @param StdObject $course 
+	 * @param bool $onsectionpage 
+	 * @return templates
+	 */
+	public function get_iena_sections($course, $editing, $onsectionpage=false){
 		global $PAGE, $USER;
 
-		
-
 		$context = context_course::instance($course->id);
-		$course = course_get_format($course)->get_course();
+		
 		$completion = new \completion_info($course);
 		$groups=groups_get_all_groups($course->id);
 		
@@ -804,35 +745,48 @@ class format_iena_renderer extends format_topics_renderer{
 				}
 			}
 			$thissection=$this->get_section_header($thissection, $course, false, 0, true, $groups);
+
 			if ($thissection->uservisible) {
-				
-				
 				$thissection->resources= $this->courserenderer->course_section_cm_list($course, $thissection, 0);
-				$thissection->addresources = $this->courserenderer->course_section_add_cm_control($course, $section, 0);
+				if ($editing) {
+
+					$thissection->addresources = $this->courserenderer->course_section_add_cm_control($course, $thissection->section, 0);
+					$thissection->leftcontent = $this->section_left_content($thissection, $course, $onsectionpage);
+					$thissection->rightcontent = $this->section_right_content($thissection, $course, $onsectionpage);
+
+				}
 		
 			}
+
+
+
+
 			array_push($sections['sections'], $thissection);
 			array_push($nameSections, $thissection->name);
 			array_push($idSections, $thissection->id);
 		}
-
-		
+		if($editing){
+			$sections['link_add_sections']=new moodle_url('/course/changenumsections.php', ['courseid' => $course->id, 'insertsection' => 0, 'increase' => false, 'sesskey' => sesskey(), 'sectionreturn' => 0]);
+		}
 		echo $this->get_view_iena_new($course, $nameSections, $idSections);
 		echo $this->render_from_template('format_iena/sections', $sections);
 		
 	}
 
-	//If edit mode, we use the old code that generates HTML, else we use the templates
+
+
+	//If edit mode, we use the old code that generates HTML, else we use the templates - bientôt useless
 	public function switch_mode($course){
 		global $PAGE, $CFG;
 		$context = context_course::instance($course->id);
 		$course = course_get_format($course)->get_course();
 		if($PAGE->user_is_editing() and has_capability('moodle/course:update', $context)){
-			$this->print_iena_section_pages($course);
+			//$this->print_iena_section_pages($course);
+			$this->get_iena_sections($course, true);
 		}
 		else{
-			//$this->print_iena_section_pages($course);
-			$this->get_iena_sections($course);
+			
+			$this->get_iena_sections($course, false);
 		}
 	}
 
diff --git a/send_message.php b/send_message.php
index 05c6773bd0ac4933134eb97216208fe35d317941..f589f690fe55156c71019a4a87f7612ece00d616 100644
--- a/send_message.php
+++ b/send_message.php
@@ -115,15 +115,13 @@
 		$data->users_id=$students;
 		$courseID = required_param('courseid', PARAM_INT);
 		$data->link_cancel= $CFG->wwwroot . "/course/view.php?id=" . $courseID;;
-		
 		$data->form=$send_message->render();
-
 	}
 
 	
 
 	
-
+	//if form is cancelled, we go back to the table. Else, we send the message and then go back to the table, with a success or failure message.
 	if($send_message->is_cancelled()){
 		$back_url=$CFG->wwwroot . '/course/format/iena/suivi_unit.php'.$back_url;
 		
diff --git a/styles.css b/styles.css
index ee625366ef24193c063cb50170a6d1e1d8536bc3..d137d20cc6a2a15f86f0a9bdc271641e2e0bfa4b 100644
--- a/styles.css
+++ b/styles.css
@@ -60,7 +60,10 @@ ul.iena-editing .voir-plus {
 }
 
 .iena-editing h3.sectionname {
-	margin: 1rem 0;
+	/*margin: 1rem 0;*/
+	margin: 0;
+	padding:0 10px;
+	background: transparent;
 }
 
 /*
@@ -108,11 +111,14 @@ ul.nav.navbar-nav.ml-auto {
 .heading-iena {
 	background: #D6D6D6;
 	padding: 0rem;
-	color: white;
+	
 	float: left;
 	width: 100%
 }
 
+.heading-iena .right.side{
+	margin-top: 0;
+}
 .iena-heading_title {
 	background: #2d2d2d;
 	padding: 0rem;
diff --git a/templates/section.mustache b/templates/section.mustache
index e210fec42ce59117743e64891331a8ff2cb345a0..d0a53e42dbbf42a764bc3aa78583782e3102579e 100644
--- a/templates/section.mustache
+++ b/templates/section.mustache
@@ -1,13 +1,21 @@
-<section class="section iena-section" id="{{section_cpt}}">
+<li class="section clearfix iena-section" id="section-{{section}}" role="region">
+
 	<div class="card card_block">
 		<div class="heading-iena set_height">
+			
+			<div class="left side">{{{leftcontent}}}</div>
+
+			{{#rightcontent}}
+				<div class="right side">{{{rightcontent}}}</div>
+			{{/rightcontent}}
 			<div class="titre_section set_height">
 				{{#presence}}
 				<div class="label_item sect-date">
 					{{presence}}
 				</div>
 				{{/presence}}
-				<p>{{sectionname}}</p></div>
+				
+			</div>
 			<div class="right_info">
 				
 				{{#string_date}}
@@ -22,21 +30,13 @@
 
 					</a>
 				{{/link_suivi}}
-				<!-- Not used anymore : c'était pour le formulaire avant-->
-				{{! #link_param}}
-				<!-- <div class="titre_section set_height">
-					<a href={{link_param}} style="color : white">
-					<i class="fa fa-cog " aria-hidden="true" ></i>
-					</a>
-				</div>-->
-				{{! /link_param}}
-
-
+				
 
 			</div>
+			<h3 class="sectionname set_height">{{{edit}}}</h3>
 		</div>
 
-		<div class="wrapper section">
+		<div class="wrapper">
 			{{#summary}}
 			<div class="iena-description">
 				<div class="small">
@@ -55,4 +55,4 @@
 		</div>
 	</div>
 
-</section>
\ No newline at end of file
+</li>
\ No newline at end of file
diff --git a/templates/sections.mustache b/templates/sections.mustache
index dd7b6c0ad7ec5f34029fd85bee95ac4082ac05b7..9891eb509b372262a4ced7625195ae3c4a949e92 100644
--- a/templates/sections.mustache
+++ b/templates/sections.mustache
@@ -4,4 +4,11 @@
 	{{#sections}}
 		{{> format_iena/section}}
 	{{/sections}}
-</ul>
\ No newline at end of file
+</ul>
+{{#link_add_sections}}
+<div id="changenumsections" class="mdl-right">
+	<a class="add-sections" data-add-sections="{{# str }} addsections {{/ str }}" data-new-sections="" href={{{link_add_sections}}}>
+	  <i class="icon fa fa-plus fa-fw"></i>{{# str }} addsections {{/ str }}
+	</a>
+</div>
+{{/link_add_sections}}
\ No newline at end of file
diff --git a/view/view_course_header.php b/view/view_course_header.php
index c85fd8b7c37e8c27d6d0dc34ca95730400c38e92..7597ea2965922f8c0ea41734308f485ac22a40f5 100644
--- a/view/view_course_header.php
+++ b/view/view_course_header.php
@@ -15,6 +15,11 @@ class view_course_header {
 		//$this->create_view($progress);
 	}
 
+	/**
+	 * Description
+	 * @param type $progress 
+	 * @return type
+	 */
 	public function create_view($progress) {
 		
 		// $this->get_progress_bis($this->section_names, $this->idSection, $this->course);
@@ -24,12 +29,11 @@ class view_course_header {
 		$infos = [
 			'progress' => $prog,
 			'teachers' => $this->get_teachers(),
-			'groups' => $this->get_groupes(),
+			//'groups' => $this->get_groupes(),
 			// 'attendance' => $this->get_attendance_link()
 		];
 		
 		return $this->get_data($infos);
-		//$this->set_html($infos);
 	}
 
 	private function get_progress_bis($section_names, $idSection, $course) {
@@ -277,7 +281,6 @@ class view_course_header {
 
 	private function count_students(){
 		$count = count_enrolled_users($COURSE->id);
-		echo "on compte les étudiants";
 		return $count;
 	}
 
@@ -295,187 +298,12 @@ class view_course_header {
 		return $array;
 	}
 
-	private function set_html($infos) {
-		
-		global $CFG, $COURSE, $USER;
-
-		// $css = file_get_contents( $CFG->wwwroot.'/course/format/iena/course-header.css' );
-		// $this->_content .= '<style>'.$css.'</style>';
-
-	
-			$this->_content .= '<div class="iena-course-header">';
-
-
-			// begin of : top part (always visible)
-			$this->_content .= '<div class="iena-course-header-top">';
-
-			//if user is a student
-			if(!has_capability('course/iena:suivi', $context = context_course::instance($COURSE->id), $USER->id)){
-				// PROGRESS TOTAL : total progression percentage
-				if ( $infos['progress'] !== false && $infos['progress']->total !== false ) {
-					$this->_content .= '<a href="#" class="btn btn-outline-primary iena-course-h-total" onclick="iena_toggle_course_header(event)">Ma progression : '.$infos['progress']->total.'%</a>';
-				}
-				else {
-					$this->_content .= '<div class="btn"></div>';
-				}
-
-				
-
-
-
-				// $this->_content .= '<a href="#" class="btn btn-outline-primary iena-course-h-total" onclick="iena_toggle_course_header(event)">Ma progression :%</a>';
-
-				// MESSAGES : button to send message to teachers
-				/*if ( $infos['teachers'] !== false ) {
-					$this->_content .= '<div class="dropdown iena-course-h-message"><a class="btn btn-outline-primary dropdown-toggle" href="#" role="button" id="iena-course-h-message" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="sr-only">Contact : </span>Enseignants</a><div class="dropdown-menu dropdown-menu-right" aria-labelledby="iena-course-h-message">';
-					$my_group_teachers = [];
-					foreach ($infos['teachers'] as $teacher) {
-						// echo "<pre>";
-						// var_dump($teacher->id);
-						$teacher_groups = groups_get_user_groups($COURSE->id, $teacher->id)[0];
-						// var_dump($teacher_groups);
-						$user_groups = groups_get_user_groups($COURSE->id, $USER->id)[0];
-						// var_dump($user_groups);
-						$user_is_in_teacher_group = false;
-						foreach ($user_groups as $user_group) {
-							if ( in_array($user_group, $teacher_groups) ) {
-								$user_is_in_teacher_group = true;
-								$my_group_teachers[] = $teacher;
-								break;
-							}
-						}
-						// var_dump($user_is_in_teacher_group);
-						// echo "<hr>";
-						// echo "</pre>";
-					}
-					if ( count($my_group_teachers) > 0 ) {	
-						$this->_content .= '<span class="dropdown-header">Mon groupe</span>';
-						foreach ($my_group_teachers as $teacher) {
-							$this->_content .= '<a class="dropdown-item" target="_blank" href="'.$CFG->wwwroot.'/message/index.php?id='.$teacher->id.'"><span class="sr-only">Envoyer un message à (nouvel onglet) : </span>'.$teacher->firstname.' '.$teacher->lastname.'</a>';
-						}
-						$this->_content .= '<span class="dropdown-header">Tous les groupes</span>';
-					}
-					foreach ($infos['teachers'] as $teacher) {
-						$this->_content .= '<a class="dropdown-item" target="_blank" href="'.$CFG->wwwroot.'/message/index.php?id='.$teacher->id.'"><span class="sr-only">Envoyer un message à (nouvel onglet) : </span>'.$teacher->firstname.' '.$teacher->lastname.'</a>';
-					}
-					$this->_content .= '</div></div>';
-				}*/
-
-				// ATTENDANCE : button to help with attendance mod if one
-				// if ( $infos['attendance'] !== false ) {
-				// 	$this->_content .= '<a href="'.$infos['attendance'].'" class="btn btn-outline-warning iena-course-h-attendance" id="iena-attendance-btn">Présences</a>';
-				// }
-
-
-
-				// GROUP : teacher group select (input-group-lg if needed)
-				/*if ( $infos['groups'] !== false ) {
-					$this->_content .= '<script type=\"text/javascript\" charset=\"utf8\" src=\"https://code.jquery.com/jquery-3.3.1.min.js\"></script>';
-					$this->_content .= '<script src="'.$CFG->wwwroot.'/course/format/iena/js/groups.js"></script>';
-					$this->_content .= '<script>function change_grouplink(obj) {
-						var classList = obj.classList;
-						var id_groupe = classList[2].split("id_groupe");
-						id_group = id_groupe[1];
-						var t = obj.parentNode;
-						var t_href = t.getAttribute("href");
-						t_href += "&groupid=" + id_group;
-						t.setAttribute("href", t_href); 
-					}
-					</script>';
-					$this->_content .= '<span class="form-inline iena-course-h-group">
-					<div class="input-group-prepend">
-					<label class="input-group-text orange-bg" for="select-group">Groupe</label>
-					</div>
-					<select class="custom-select form-control" id="select-group">';
-					$this->_content .= '<option value="id_groupe0" selected>Tous les groupes</option>';
-					$this->_content .= '<optgroup label="Mes groupes">';
-					$user_groups = groups_get_user_groups($COURSE->id, $USER->id)[0];
-					foreach ($infos['groups'] as $group) {
-						if ( in_array($group['id'], $user_groups ) ) {
-							$this->_content .= '<option value="id_groupe'.$group['id'].'">'.$group['name'].'</option>';
-						}
-					}
-					$this->_content .= '</optgroup>';
-
-					if (has_capability('course/iena:suivi_edit', $context = context_course::instance($COURSE->id), $USER->id)) {
-						$this->_content .= '<optgroup label="Tous les groupes">';
-						foreach ($infos['groups'] as $group) {
-							$this->_content .= '<option value="id_groupe'.$group['id'].'">'.$group['name'].'</option>';
-						}
-						$this->_content .= '</optgroup>';
-					}
-
-					$this->_content .= '</select>
-					</span>';
-				}*/
-			}
-
-
-
-			$this->_content .= '<script type=\"text/javascript\" charset=\"utf8\" src=\"https://code.jquery.com/jquery-3.3.1.min.js\"></script>';
-				$this->_content .= '<script src="'.$CFG->wwwroot.'/course/format/iena/js/groups.js"></script>';
-				$this->_content .= '<script>function change_grouplink(obj) {
-					console.log("change grouplink")
-					var classList = obj.classList;
-					var id_groupe = classList[2].split("id_groupe");
-					id_group = id_groupe[1];
-					var t = obj.parentNode;
-					var t_href = t.getAttribute("href");
-					t_href += "&groupid=" + id_group;
-					t.setAttribute("href", t_href); 
-				}
-				</script>';
-		
-
-
-
-
-		$this->_content .= '</div><div class="iena-h-clear"></div>'; // end of : top
-
-
-		// begin of : bottom part visible at toggle
-		$this->_content .= '<div class="iena-course-header-bottom" id="iena-h-bottom" aria-expanded="false" style="display:none;">';
-		// $this->_content .= '<div class="iena-course-header-bottom" id="iena-h-bottom" aria-expanded="true">';
-
-
-		// PROGRESS DETAIL
-		if ( $infos['progress'] !== false && $infos['progress']->total !== false ) {
-			// section progress begin
-			$this->_content .= '<div class="iena-h-prog-sect"><h2>Progression détaillée</h2>';
-			// section progress total
-			foreach ($infos['progress']->sections as $section) {
-				if ( count($section->modules) > 0 ) {
-					$this->_content .= '<a href="#section-'.$section->id.'" class="iena-h-prog-name btn btn-outline-success"><strong>'.$section->completion.'%</strong> – '.$section->name.'</a>';
-					// section progress each module
-					foreach ($section->modules as $module) {
-						$this->_content .= '<a href="'.$module->url.'" class="iena-h-prog-mod-item iena-g-prog-'.$module->completion.'"><span>'.$module->name.'</span></a>';
-					}
-				}
-			}
-			$this->_content .= '</div><div class="iena-h-clear"></div>';
-		}
-
-		// course summary
-		$summary_copy = $COURSE->summary;
-		$to_delete = array('<p>', '</p>', '<br>', '</br>', ' ');
-		$summary_copy = str_replace($to_delete, '', $summary_copy);
-		$summary_copy = preg_replace('/\s+/', '', $summary_copy);
-		if ( $summary_copy != "" ) {
-			
-		}
-
-		$this->_content .= '</div>'; // end of : bottom part
-
-		if ( $summary_copy != "" ) {
-			$this->_content .= '<hr><div id="title-summary-iena" class="container"><h3>'.get_string('aboutcourse', 'format_iena').'</h3><div class="collapse" id="summary-collapse" aria-expanded="false">' . $COURSE->summary . '</div><a role="button" class="collapsed" data-toggle="collapse" href="#summary-collapse" aria-expanded="false" aria-controls="summary-collapse">Afficher / Masquer les infos du cours</a></div>';
-			//$this->_content .= '<div class="iena-course-header-toggler" id="iena-h-toggler"><hr><a href="#" onclick="iena_toggle_course_header(event)">Afficher / masquer les infos du cours</a></div>';
-		}
-
-		//$this->_content .= '<script>function iena_toggle_course_header(event) { event.preventDefault(); var bottom = document.getElementById("iena-h-bottom"); if(bottom.style.display == "none") { bottom.style.display = ""; bottom.setAttribute("aria-expanded", true); } else { bottom.style.display = "none"; bottom.setAttribute("aria-expanded", false); } }</script>';
-
-		$this->_content .= '</div>'; // end of : iena course header
-	}
 
+	/**
+	 * Retourne un tableau d'informations : array progress_total, array progress_sections, bool student, string summary
+	 * @param array of object $infos 
+	 * @return array
+	 */
 	private function get_data($infos){
 		global $CFG, $COURSE, $USER;
 		$course_data=[];
@@ -496,9 +324,6 @@ class view_course_header {
 					if ( count($section->modules) > 0 ) {
 						array_push($course_data['progress_sections'], $section);
 					
-						/*foreach ($section->modules as $module) {
-							$this->_content .= '<a href="'.$module->url.'" class="iena-h-prog-mod-item iena-g-prog-'.$module->completion.'"><span>'.$module->name.'</span></a>';
-						}*/
 					}
 				}