externalFiles = new ArrayList<String>();
importFilesDelete = new ArrayList<String>();
importFilesKeep = new ArrayList<String>();
externalFileSaveTimer.start();
notebookTree = new NotebookTreeWidget(conn);
attributeTree = new AttributeTreeWidget();
tagTree = new TagTreeWidget(conn);
savedSearchTree = new SavedSearchTreeWidget();
trashTree = new TrashTreeWidget();
noteTableView = new TableView(logger, listManager);