Approach 2

Author: sarjona

course/format/classes/output/local/content/section.php

@@ -295,8 +295,7 @@ protected function add_editor_data(stdClass &$data, renderer_base $output): bool
         }
 
         if (empty($this->hidecontrols)) {
-            $controlmenu = new $this->controlmenuclass($this->format, $this->section);
-            $data->controlmenu = $controlmenu->export_for_template($output);
+            $data->controlmenu = $this->get_section_action_menu()->export_for_template($output);
         }
         if (!$this->isstealth) {
             $data->cmcontrols = $output->course_section_add_cm_control(
@@ -308,6 +307,17 @@ protected function add_editor_data(stdClass &$data, renderer_base $output): bool
         return true;
     }
 
+    public function get_section_action_menu() {
+        $sectiondelegate = $this->section->get_component_instance();
+        if ($sectiondelegate) {
+            // Allow delegate plugin to modify the available section action menu.
+            $controlmenu = $sectiondelegate->get_section_action_menu($this->format, $this->controlmenuclass);
+        } else {
+            $controlmenu = new $this->controlmenuclass($this->format, $this->section);
+        }
+        return $controlmenu;
+    }
+
     /**
      * Add the section format attributes to the data structure.
      *

course/format/classes/sectiondelegate.php

@@ -17,6 +17,7 @@
 namespace core_courseformat;
 
 use section_info;
+use core_courseformat\base as course_format;
 
 /**
  * Section delegate base class.
@@ -77,4 +78,10 @@ protected static function get_delegate_class_name(string $pluginname): ?string {
     public static function has_delegate_class(string $pluginname): bool {
         return self::get_delegate_class_name($pluginname) !== null;
     }
+    public function get_section_action_menu(
+        course_format $format,
+        string $controlmenuclass,
+    ): \templatable {
+        return new $controlmenuclass($format, $this->sectioninfo);
+    }
 }

course/section.php

@@ -143,14 +143,21 @@
 }
 
 // Add to the header the control menu for the section.
+$headingset = false;
 if ($format->show_editor()) {
     $sectionclass = new \core_courseformat\output\local\content\section($format, $sectioninfo);
     $renderable = $sectionclass->export_for_template($renderer);
-    $controlmenuhtml = $renderable->controlmenu->menu;
-    $PAGE->add_header_action($controlmenuhtml);
-    $sectionheading = $OUTPUT->render($format->inplace_editable_render_section_name($sectioninfo, false));
-    $PAGE->set_heading($sectionheading, false, false);
-} else {
+    if (!empty($renderable->controlmenu?->menu)) {
+        $controlmenuhtml = $renderable->controlmenu->menu;
+        if (is_string($controlmenuhtml)) {
+            $PAGE->add_header_action($controlmenuhtml);
+            $sectionheading = $OUTPUT->render($format->inplace_editable_render_section_name($sectioninfo, false));
+            $PAGE->set_heading($sectionheading, false, false);
+            $headingset = true;
+        }
+    }
+}
+if (!$headingset) {
     $PAGE->set_heading($sectiontitle);
 }