JavaFX: Disabling TableView multi-column sorting

Question

I need my TableView to have all its columns sortable, but I do not want it to be multi-column sortable through shift-clicking the columns. Is there any way to prevent that from happening?

Answer 1

You can add a listener to the sortOrder property of your TableView, which is an ObservableList, and check that this list never has more than one entry:

myTableView.getSortOrder().addListener((ListChangeListener.Change<? extends TableColumn> c) -> {
    while (myTableView.getSortOrder().size() > 1) {
        myTableView.getSortOrder().remove(1);
    }
});

However, note that this approach invalidates the Change object for all subsequent listeners. Therefore, if you have other listeners for the sortOrder property, you might want to use this approach:

myTableView.setOnSort(sortEvent -> {
    while (myTableView.getSortOrder().size() > 1) {
        myTableView.getSortOrder().remove(1);
    }
});