                     }
                 }
             }
-            Swift.print("drag move")
-            return .move
-        }
-        Swift.print("drag \(NSDragOperation())")
+            return .copy
+        }
         return .every
     }
     

    static let link = "link"
    static let time = "time"
    static let rank = "rank"
}

class PlayTableView : NSTableView {

    
    override func viewDidLoad() {
        let types = ["public.data",kUTTypeURL as String,
                         NSDictionaryControllerKeyValuePair.className(),
                         PlayList.className(),
                         PlayItem.className(),
                         NSFilenamesPboardType,
                         NSFilesPromisePboardType,
                         NSURLPboardType]

        playlistTableView.register(forDraggedTypes: types)
        playitemTableView.register(forDraggedTypes: types)

        playlistTableView.doubleAction = #selector(playPlaylist(_:))
        playitemTableView.doubleAction = #selector(playPlaylist(_:))
        
        self.restorePlaylists(restoreButton)
        //  Maintain a history of titles

