Merge pull request #1099 from noesya/heading-children-dependent

Ajustements headings et blocs

app/assets/javascripts/admin/commons/content_editor.js

@@ -68,11 +68,12 @@ window.osuny.contentEditor = {
     onSortableMove: function (event) {
         'use strict';
         var draggedKind = event.dragged.dataset.kind,
-            relatedKind = event.related.dataset.kind;
+            relatedKind = event.related.dataset.kind,
+            firstHeading = this.sortableRootContainer.querySelector('.js-content-editor-element[data-kind="heading"]');
 
         if (draggedKind === 'block') {
             // Prevent dragging a block after a heading, instead of inside
-            return relatedKind !== 'heading' || !event.willInsertAfter;
+            return relatedKind !== 'heading' || !event.willInsertAfter && event.related === firstHeading;
         }
         return true;
     },

app/models/communication/block/heading.rb

@@ -39,7 +39,8 @@ class Communication::Block::Heading < ApplicationRecord
               optional: true
   has_many    :children,
               class_name: 'Communication::Block::Heading',
-              foreign_key: :parent_id
+              foreign_key: :parent_id,
+              dependent: :nullify
   has_many    :blocks,
               dependent: :nullify