88 lines
2.7 KiB
Dart
88 lines
2.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:island/pods/paging.dart';
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import 'package:island/widgets/extended_refresh_indicator.dart';
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import 'package:super_sliver_list/super_sliver_list.dart';
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class PaginationList<T> extends HookConsumerWidget {
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final ProviderListenable<AsyncValue<List<T>>> provider;
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final Refreshable<PaginationController<T>> notifier;
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final Widget? Function(BuildContext, int, T) itemBuilder;
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final bool isRefreshable;
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const PaginationList({
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super.key,
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required this.provider,
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required this.notifier,
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required this.itemBuilder,
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this.isRefreshable = true,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final data = ref.watch(provider);
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final noti = ref.watch(notifier);
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final listView = SuperListView.builder(
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itemBuilder: (context, idx) {
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final entry = data.valueOrNull?[idx];
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if (entry != null) return itemBuilder(context, idx, entry);
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return null;
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},
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);
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final child = NotificationListener(
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onNotification: (ScrollNotification scrollInfo) {
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if (scrollInfo is ScrollEndNotification &&
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scrollInfo.metrics.axisDirection == AxisDirection.down &&
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scrollInfo.metrics.pixels >= scrollInfo.metrics.maxScrollExtent) {
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if (!noti.fetchedAll) {
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noti.fetchFurther();
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}
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}
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return true;
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},
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child: listView,
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);
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return isRefreshable
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? ExtendedRefreshIndicator(onRefresh: noti.refresh, child: child)
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: child;
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}
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}
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class PaginationWidget<T> extends HookConsumerWidget {
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final ProviderListenable<AsyncValue<List<T>>> provider;
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final Refreshable<PaginationController<T>> notifier;
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final Widget Function(List<T>) contentBuilder;
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final bool isRefreshable;
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const PaginationWidget({
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super.key,
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required this.provider,
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required this.notifier,
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required this.contentBuilder,
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this.isRefreshable = true,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final data = ref.watch(provider);
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final noti = ref.watch(notifier);
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final content = NotificationListener(
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onNotification: (ScrollNotification scrollInfo) {
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if (scrollInfo is ScrollEndNotification &&
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scrollInfo.metrics.axisDirection == AxisDirection.down &&
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scrollInfo.metrics.pixels >= scrollInfo.metrics.maxScrollExtent) {
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if (!noti.fetchedAll) {
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noti.fetchFurther();
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}
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}
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return true;
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},
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child: contentBuilder(data.valueOrNull ?? []),
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);
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return isRefreshable
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? ExtendedRefreshIndicator(onRefresh: noti.refresh, child: content)
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: content;
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}
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}
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