initScrollController method
Implementation
ScrollController? initScrollController() {
if (mode != TableMode.paginationScroll) {
return null;
}
ScrollController controller = ScrollController();
controller.addListener(() {
if (controller.position.pixels == controller.position.maxScrollExtent &&
_needToLoadMoreData()) {
goToNextPage();
}
});
// Verify if controller can be scrolled
SchedulerBinding.instance.addPostFrameCallback(
(timeStamp) {
if ((controller.hasClients) && (controller.position.haveDimensions)) {
if (controller.position.maxScrollExtent == 0) {
if (_needToLoadMoreData()) {
goToNextPage();
}
}
}
},
);
return controller;
}