noheader value in origin variable to hide headers

main/exercise/exercise.php

@@ -506,7 +506,7 @@ if ($is_allowedToEdit) {
     }
 }
 
-if ($origin !== 'learnpath') {
+if (!in_array($origin, ['learnpath', 'noheader'])) {
     //so we are not in learnpath tool
     Display::display_header($nameTools, get_lang('Exercise'));
     if (isset($_GET['message']) && in_array($_GET['message'], ['ExerciseEdited'])) {

main/exercise/exercise_result.php

@@ -89,7 +89,7 @@ $pageTop = '';
 $pageBottom = '';
 $pageContent = '';
 
-if (!in_array($origin, ['learnpath', 'embeddable'])) {
+if (!in_array($origin, ['learnpath', 'embeddable', 'noheader'])) {
     // So we are not in learnpath tool
     $showHeader = true;
 }
@@ -240,7 +240,7 @@ ExerciseLib::exercise_time_control_delete(
 
 ExerciseLib::delete_chat_exercise_session($exe_id);
 
-if (!in_array($origin, ['learnpath', 'embeddable'])) {
+if (!in_array($origin, ['learnpath', 'embeddable', 'noheader'])) {
     $pageBottom .= '<div class="question-return">';
     $pageBottom .= Display::url(
         get_lang('ReturnToCourseHomepage'),
@@ -254,7 +254,7 @@ if (!in_array($origin, ['learnpath', 'embeddable'])) {
     }
 
     $showFooter = true;
-} elseif ($origin === 'embeddable') {
+} elseif (in_array($origin, ['embeddable', 'noheader'])) {
     if (api_is_allowed_to_session_edit()) {
         Exercise::cleanSessionVariables();
     }

main/exercise/exercise_submit.php

@@ -879,7 +879,7 @@ $interbreadcrumb[] = [
 ];
 $interbreadcrumb[] = ['url' => '#', 'name' => $objExercise->selectTitle(true)];
 
-if (!in_array($origin, ['learnpath', 'embeddable'])) { //so we are not in learnpath tool
+if (!in_array($origin, ['learnpath', 'embeddable', 'noheader'])) { //so we are not in learnpath tool
     if (!api_is_allowed_to_session_edit()) {
         Display::addFlash(
             Display::return_message(get_lang('SessionIsReadOnly'), 'warning')
@@ -892,6 +892,13 @@ if (!in_array($origin, ['learnpath', 'embeddable'])) { //so we are not in learnp
     echo '<div style="height:10px">&nbsp;</div>';
 }
 
+if ($origin == 'noheader') {
+    echo '<div class="actions">';
+    echo '<a href="javascript:window.history.go(-1);">'.
+        Display::return_icon('back.png', get_lang('GoBackToQuestionList'), [], 32).'</a>';
+    echo '</div>';
+}
+
 $show_quiz_edition = $objExercise->added_in_lp();
 
 // I'm in a preview mode

main/exercise/overview.php

@@ -71,7 +71,7 @@ if ($time_control) {
     $htmlHeadXtra[] = $objExercise->showTimeControlJS($time_left);
 }
 
-if (!in_array($origin, ['learnpath', 'embeddable'])) {
+if (!in_array($origin, ['learnpath', 'embeddable', 'noheader'])) {
     Display::display_header();
 } else {
     $htmlHeadXtra[] = "
@@ -82,6 +82,13 @@ if (!in_array($origin, ['learnpath', 'embeddable'])) {
     Display::display_reduced_header();
 }
 
+if ($origin == 'noheader') {
+    echo '<div class="actions">';
+    echo '<a href="javascript:window.history.go(-1);">'.
+        Display::return_icon('back.png', get_lang('GoBackToQuestionList'), [], 32).'</a>';
+    echo '</div>';
+}
+
 $html = '';
 $message = '';
 $html .= '<div class="exercise-overview">';

main/exercise/result.php

@@ -15,7 +15,7 @@ $id = isset($_REQUEST['id']) ? (int) $_GET['id'] : 0; // exe id
 $show_headers = isset($_REQUEST['show_headers']) ? (int) $_REQUEST['show_headers'] : null;
 $origin = api_get_origin();
 
-if (in_array($origin, ['learnpath', 'embeddable'])) {
+if (in_array($origin, ['learnpath', 'embeddable', 'noheader'])) {
     $show_headers = false;
 }
 
@@ -77,6 +77,13 @@ if ($show_headers) {
     $htmlHeadXtra[] = '<style>
         body { background: none;}
     </style>';
+    
+    if ($origin == 'noheader') {
+        echo '<div class="actions">';
+        echo '<a href="javascript:window.history.go(-1);">'.
+            Display::return_icon('back.png', get_lang('GoBackToQuestionList'), [], 32).'</a>';
+        echo '</div>';
+    }
 }
 
 $message = Session::read('attempt_remaining');

main/inc/lib/display.lib.php

@@ -64,7 +64,11 @@ class Display
     ) {
         $origin = api_get_origin();
         $showHeader = true;
-        if (isset($origin) && $origin == 'learnpath') {
+        if (isset($origin) && ($origin == 'learnpath' || $origin == 'noheader')) {
+            $showHeader = false;
+        }
+
+        if (Session::read('origin') == 'noheader') {
             $showHeader = false;
         }