Fixed issue preventing Drag & Drop of media files while in Expert Mode (fixes #1927)

CHANGELOG.md

@@ -7,6 +7,7 @@
     * Moved preset CSS compile to earlier in the process to ensure compilation happens in time.
     * Prevent Save actions from Flex Objects to trigger the unsaved unload notice [#2125](https://github.com/getgrav/grav-plugin-admin/issues/2125)
     * Fixed audit vulnerabilities in module dependencies and house cleanup [#2096](https://github.com/getgrav/grav-plugin-admin/issues/2096)
+    * Fixed issue preventing Drag & Drop of media files while in Expert Mode [#1927](https://github.com/getgrav/grav-plugin-admin/issues/1927)
 
 # v1.10.12
 ## 04/15/2021

themes/grav/app/pages/page/media.js

@@ -108,7 +108,9 @@ export default class PageMedia extends FilesField {
 
     onDropzoneComplete(file) {
         super.onDropzoneComplete(file);
-        this.sortable.options.onSort();
+        if (this.sortable) {
+            this.sortable.options.onSort();
+        }
 
         // accepted
         $('.dz-preview').prop('draggable', 'true');
@@ -116,7 +118,9 @@ export default class PageMedia extends FilesField {
 
     onDropzoneRemovedFile(file, ...extra) {
         super.onDropzoneRemovedFile(file, ...extra);
-        this.sortable.options.onSort();
+        if (this.sortable) {
+            this.sortable.options.onSort();
+        }
     }
 
     attachDragDrop() {