JavaFX TableView Sort Policy

Question

I have a tableview which has an observable list of custom class objects attached to it (Class type: SalesInvoiceNetSale). The data all displays fine within the table. The la

Answer 1

Here is the code to do the same thing with a TreeTableView in Java8 and lambda expressions.

treeTable.sortPolicyProperty().set(treeTableView -> {
    Comparator> comparator = (model1, model2) -> {

        if(model1.isTotalRow()) {
            return 1;
        } else if(model2.isTotalRow()) {
            return -1;
        } else if (treeTableView.getComparator() == null) {
            return 0;
        } else {
            return treeTableView.getComparator().compare(model1, model2);
        }
    };

    treeTable.getRoot().getChildren().sort(comparator);

    return true;
});