The TreeViewDragDrop plugin

This plugin provides a drag and/or drop functionality for a TreeView class. It creates a specialized instance of DragZone, which knows how to drag out of a TreeView class, and loads the data object which is passed on to the cooperating methods of DragZone with the following properties:

• copy: Boolean

  It is the value of the copy property of TreeView or true if the TreeView class was configured with allowCopy set to true and the Ctrl key was pressed when the drag operation was begun.

• view: TreeView

  It is the source TreeView from which the drag originated.

• ddel: HtmlElement

  It is the drag proxy element which moves with the mouse.

• item: HtmlElement

  It is the TreeView node upon which the mousedown event was registered.

• records: Array

  It is an array of models representing the selected data being dragged from the source TreeView.

It also creates a specialized instance of Ext.dd.DropZone, which cooperates with other DropZone classes. These DropZone classes are members of...