Merge pull request #17 from Wanere/patch-2

Fix Multi Panel issue and troubleshooting blocks deletion

README.md

@@ -107,6 +107,15 @@ $builder->add('content', PanelType::class, [
 ]);
 ```
 
+#### Troubleshooting block deletion
+For some unknown reason, blocks are not properly deleted on saving the form, probably because no update is detected. To solve this, you need to create an event on `preUpdate` (in your Sonata Admin for example), to be triggered when you save the form.
+```php 
+public function preUpdate($object)
+    {
+        !$object->getContent() ?: $object->getContent()->updatedTimestamps();
+    }
+```
+
 ### Create a Block entity and its Block Manager
 
 Start by creating your Block entity like the following example:

Resources/public/js/panel.js

@@ -3,7 +3,8 @@ $(document).ready(function () {
   $('[data-behavior="add-block"]').each(function () {
     $(this).on('change', $(this), function (e) {
       $addBlockSelect = $(this);
-      $collectionHolder = $('#' + $addBlockSelect.data('panel-id'));
+      let parentId = $addBlockSelect.data('panel-id');
+      $collectionHolder = $('#' + parentId);
       $collectionHolder.data('index', $collectionHolder.find('.ublock').length);
 
       e.preventDefault();
@@ -16,7 +17,7 @@ $(document).ready(function () {
       var index = $collectionHolder.data('index');
 
       // Get the prototype data
-      var proto = $("div[data-type='" + selectedblockType + "']").data('prototype');
+      var proto = $("#" + parentId + ">div[data-type='" + selectedblockType + "']").data('prototype');
 
       if (typeof proto === 'undefined') {
         return;