.../org/olat/core/gui/components/tree/DnDFeedbackMapper.java

.../java/org/olat/core/gui/components/tree/DnDTreeModel.java

...main/java/org/olat/core/gui/components/tree/MenuTree.java

...a/org/olat/core/gui/components/tree/MenuTreeRenderer.java

...ain/java/org/olat/course/editor/EditorMainController.java

...main/java/org/olat/course/tree/CourseEditorTreeModel.java

src/main/java/org/olat/ims/cp/CPTreeDataModel.java

src/main/java/org/olat/ims/cp/ui/CPTreeController.java

...at/modules/qpool/ui/QuestionPoolMainEditorController.java

.../org/olat/modules/qpool/ui/QuestionPoolMenuTreeModel.java

.../org/olat/portfolio/ui/structel/edit/EPTOCController.java

...a/org/olat/portfolio/ui/structel/edit/EPTOCTreeModel.java

src/main/webapp/static/js/functions.js

src/main/webapp/static/js/js.plugins.min.js