On an ExtJS drag and drop tree using the drop or beforedrop listeners dont seem to fire. YUI Library: Detail: 1812387 - TreeView with Drag and Drop. API: treeview TreeViewEd.js (YUI Library) YUI 2: TreeView. Drag and Drop within a TreeView. Many people has asked how to drag and drop nodes on a TreeView.
Though this would seem a natural feature on a TreeView, it simply is not that easy to define. First of all, depending on the meaning of the nodes, not all of them can be dragged so that is a first issue, though it could be easily if a tree Node had a 'draggable' property. Most of the problems lie with dropping. Both the Favorites list on a browser and a window showing the file system of a disk show their information as a tree. YUI TreeView with Drag and Drop nodes.