The Save Button is Now Disabled if Only an Album With No Associated Tracks Is Selected

TagTunes/MainViewController.swift

@@ -686,7 +686,15 @@ extension MainViewController: NSUserInterfaceValidations {
     private func canSave() -> Bool {
         for row in outlineView.selectedRowIndexes {
             if sectionOfRow(row) == .Albums {
-                return true
+                if let album = outlineView.itemAtRow(row) as? Album {
+                    for track in album.tracks {
+                        if !track.associatedTracks.isEmpty {
+                            return true
+                        }
+                    }
+                } else {
+                    return true
+                }
             }
         }
         return false