MDL-82541 core_courseformat: improve orphan section visualitzation

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

@@ -142,6 +142,11 @@ class availability implements named_templatable, renderable {
             ['id' => $this->section->id, 'showonly' => 'availabilityconditions']
         );
         $info = ['editurl' => $editurl->out(false)];
+
+        if ($section->is_orphan()) {
+            $info['editing'] = false;
+        }
+
         if (!$section->visible) {
             return [];
         } else if (!$section->uservisible) {

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

@@ -277,6 +277,7 @@ class controlmenu extends basecontrolmenu {
             }
         }
         if (
+            !$isstealth &&
             has_any_capability([
                 'moodle/course:movesections',
                 'moodle/course:update',

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

@@ -76,6 +76,10 @@ class visibility implements named_templatable, renderable {
 
         $data->editing = $this->format->show_editor();
 
+        if ($this->section->is_orphan()) {
+            $data->editing = false;
+        }
+
         $data->notavailable = false;
         $data->hiddenfromstudents = true;
         if ($data->editing && $this->is_section_visibility_editable()) {

course/format/templates/local/content/section/content.mustache

@@ -83,6 +83,7 @@
         "insertafter": true,
         "numsections": 42,
         "sitehome": false,
+        "isstealth": false,
         "highlightedlabel" : "Highlighted"
     }
 }}
@@ -163,6 +164,11 @@
 <div id="coursecontentcollapse{{num}}"
      class="content {{^iscoursedisplaymultipage}}{{^sitehome}}{{^displayonesection}}course-content-item-content collapse {{^contentcollapsed}}show{{/contentcollapsed}}{{/displayonesection}}{{/sitehome}}{{/iscoursedisplaymultipage}}">
     <div class="{{#hasavailability}}description{{/hasavailability}} my-3" data-for="sectioninfo">
+        {{#isstealth}}
+        <div class="alert alert-warning">
+            {{#str}} orphansectionwarning, core_courseformat {{/str}}
+        </div>
+        {{/isstealth}}
         {{#summary}}
             {{$ core_courseformat/local/content/section/summary }}
                 {{> core_courseformat/local/content/section/summary }}

lang/en/courseformat.php

@@ -67,6 +67,7 @@ $string['courseindex'] = 'Course index';
 $string['courseindexoptions'] = 'Course index options';
 $string['maxsectionaddmessage'] = 'You have reached the maximum number of sections allowed for a course.';
 $string['nobulkaction'] = 'No bulk actions available';
+$string['orphansectionwarning'] = 'This section and its content are not part of the course structure and are not visible to students. To use any of this content, move it to a different section.';
 $string['preference:coursesectionspreferences'] = 'Section user preferences for course {$a}';
 $string['privacy:metadata:preference:coursesectionspreferences'] = 'Section user preferences like collapsed and expanded.';
 $string['section_hide_feedback'] = 'Course section {$a->name} hidden.';

mod/subsection/tests/behat/subsection_disabled_plugin.feature

@@ -38,6 +38,8 @@ Feature: Courses should not lose subsection contents when mod_subsection is disa
     And "Move" "link" should not exist in the "Subsection1" "core_courseformat > Section actions menu"
     And "View" "link" should exist in the "Subsection1" "core_courseformat > Section actions menu"
     And "Delete" "link" should exist in the "Subsection1" "core_courseformat > Section actions menu"
+    And "Permalink" "link" should not exist in the "Subsection1" "core_courseformat > Section actions menu"
+    And I should see "This section and its content are not part of the course structure" in the "Subsection1" "section"
 
   Scenario: Students should not see orphaned subsections
     When I log in as "student1"
@@ -54,6 +56,7 @@ Feature: Courses should not lose subsection contents when mod_subsection is disa
     And I should see "Subsection1" in the "page-content" "region"
     And I should see "Subactivity" in the "Subsection1" "section"
     And "Section 2" "section" should appear before "Subsection1" "section"
+    And I should see "This section and its content are not part of the course structure"
     When I enable "subsection" "mod" plugin
     And I am on "Course 1" course homepage with editing mode on
     Then I should see "Activity Sample" in the "Section 1" "section"
@@ -66,6 +69,7 @@ Feature: Courses should not lose subsection contents when mod_subsection is disa
     And "Move" "link" should exist in the "Subsection1" "core_courseformat > Section actions menu"
     And "View" "link" should exist in the "Subsection1" "core_courseformat > Section actions menu"
     And "Delete" "link" should exist in the "Subsection1" "core_courseformat > Section actions menu"
+    And I should not see "This section and its content are not part of the course structure"
 
   @javascript
   Scenario: Deleting the subsections with mod_subsection disabled should not break the course
@@ -104,14 +108,18 @@ Feature: Courses should not lose subsection contents when mod_subsection is disa
     And I press "Save changes"
     And I should see "Not available unless: You belong to a group in GX1"
     And I disable "subsection" "mod" plugin
-    When I am on the "C1 > Subsection1" "course > section" page
-    And I turn editing mode on
+    When I am on "Course 1" course homepage with editing mode on
+    And I should see "This section and its content are not part of the course structure" in the "Subsection1" "section"
+    And I should see "Not available unless: You belong to a group in GX1"
+    And I should not see "Edit restrictions"
+    And I am on the "C1 > Subsection1" "course > section" page
     And I click on "Edit" "icon" in the "[data-region='header-actions-container']" "css_element"
     And I choose "Delete" in the open action menu
     And I click on "Delete" "button" in the "Delete section?" "dialogue"
     And I enable "subsection" "mod" plugin
     Then I am on "Course 1" course homepage
     And I should see "Not available unless: You belong to a group in GX1"
+    And I should see "Edit restrictions"
 
   @javascript
   Scenario: Visibility is restored when a subsection is deleted while mod_subsection is disabled