Method moveSelectionDown

src/main/java/matcher/gui/GuiUtil.java:44–59

(ListView<T> list)

	}

	public static <T> void moveSelectionDown(ListView<T> list) {
		MultipleSelectionModel<T> selection = list.getSelectionModel();
		List<Integer> selected = new ArrayList<>(selection.getSelectedIndices());
		Collections.reverse(selected);
		list.getSelectionModel().clearSelection();

		for (int idx : selected) {
			if (idx < list.getItems().size() - 1 && !selection.isSelected(idx + 1)) {
				T e = list.getItems().remove(idx);
				list.getItems().add(idx + 1, e);
				selection.select(idx + 1);
			} else {
				selection.select(idx);
			}
		}
	}
}