kopia lustrzana https://gitlab.com/mysocialportal/relatica
93 wiersze
3.1 KiB
Dart
93 wiersze
3.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:logging/logging.dart';
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import 'package:provider/provider.dart';
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import 'package:relatica/globals.dart';
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import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
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import '../../models/TimelineIdentifiers.dart';
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import '../../services/timeline_manager.dart';
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import '../../utils/active_profile_selector.dart';
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import 'post_control.dart';
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class TimelinePanel extends StatelessWidget {
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static final _logger = Logger('$TimelinePanel');
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final TimelineIdentifiers timeline;
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final controller = ItemScrollController();
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TimelinePanel({super.key, required this.timeline});
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Future<void> update(BuildContext context, TimelineManager manager) async {
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final confirm =
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await showYesNoDialog(context, 'Reload timeline from scratch?');
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if (confirm == true) {
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await manager.updateTimeline(
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timeline,
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TimelineRefreshType.refresh,
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);
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}
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}
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void scrollToTop() {
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controller.jumpTo(index: 0);
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}
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@override
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Widget build(BuildContext context) {
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_logger.finer('Build');
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final manager = context
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.watch<ActiveProfileSelector<TimelineManager>>()
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.activeEntry
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.value;
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final items = manager.getTimeline(timeline);
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return RefreshIndicator(
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onRefresh: () async {
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update(context, manager);
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return;
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},
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child: items.isEmpty
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? Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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ElevatedButton(
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onPressed: () => manager.updateTimeline(
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timeline, TimelineRefreshType.refresh),
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child: const Text('Load Posts'))
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],
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),
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)
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: ScrollablePositionedList.builder(
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itemScrollController: controller,
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physics: const AlwaysScrollableScrollPhysics(),
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itemBuilder: (context, index) {
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if (index == 0) {
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return TextButton(
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onPressed: () async => await manager.updateTimeline(
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timeline, TimelineRefreshType.loadNewer),
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child: const Text('Load newer posts'));
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}
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if (index == items.length + 1) {
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return TextButton(
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onPressed: () async => await manager.updateTimeline(
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timeline, TimelineRefreshType.loadOlder),
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child: const Text('Load older posts'));
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}
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final itemIndex = index - 1;
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final item = items[itemIndex];
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TimelinePanel._logger.finest(
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'Building item: $itemIndex: ${item.entry.toShortString()}');
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return PostControl(
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originalItem: item,
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scrollToId: item.id,
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openRemote: false,
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showStatusOpenButton: true,
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isRoot: false,
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);
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},
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itemCount: items.length + 2,
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),
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);
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}
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}
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