apache/cayenne — pull request #17 by thinline72 (2014-10-06 12:32:55+00:00)
Title: CAY-1839 | DnD for DataMaps, link all unlinked DataMaps, Undo/Redo;

1. Drag and Drop for linking DataMap with DataNode;
2. Link all unlinked DataMaps with current DataNode;
3. Undo/Redo for this actions and fixed Undo/Redo for common action from DataMapView.