mirror of
https://github.com/ChronosX88/wind.git
synced 2024-09-18 21:21:25 +00:00
150 lines
5.0 KiB
Dart
150 lines
5.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:wind/thread_list_model.dart';
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class ThreadListView extends StatefulWidget {
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@override
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State<StatefulWidget> createState() => ThreadListViewState();
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}
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class ThreadListViewState extends State<ThreadListView> {
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String _curGroup = "";
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@override
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Widget build(BuildContext context) {
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return Container(
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width: 640,
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padding: EdgeInsets.only(top: 16),
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child: FutureBuilder<List<ThreadItem>>(
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future: _fetchThreadList(context),
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builder: (context, snapshot) {
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if (snapshot.hasData &&
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snapshot.connectionState != ConnectionState.waiting) {
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List<ThreadItem> data = List.from(snapshot.data!);
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if (data.isNotEmpty && data.last.number != -100500)
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data.add(ThreadItem("", -100500, "", "", "",
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"")); // magic item (for button "load more")
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return _curGroup != ""
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? _threadView(data)
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: Center(
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child: Text("Новостная группа не выбрана",
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style: TextStyle(
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fontWeight: FontWeight.bold, fontSize: 16)));
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} else if (snapshot.hasError) {
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return Text("${snapshot.error}");
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}
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return Center(child: CircularProgressIndicator());
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},
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));
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}
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Future<List<ThreadItem>> _fetchThreadList(BuildContext context) async {
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var model = context.read<ThreadListModel>();
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_curGroup = model.currentGroup;
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return await model.getNewThreads(false);
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}
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Widget _threadView(List<ThreadItem> items) {
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return items.isNotEmpty
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? Scrollbar(
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child: ListView.builder(
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key: PageStorageKey("threadList"),
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itemCount: items.length,
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itemBuilder: (context, index) {
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if (items[index].number == -100500) {
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return Container(
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height: 100,
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padding: EdgeInsets.all(20),
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child: TextButton(
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style: ButtonStyle(
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foregroundColor:
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MaterialStateProperty.all<Color>(Colors.blue),
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),
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onPressed: () {
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setState(() {
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items.removeLast();
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});
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},
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child: Text('Загрузить больше'),
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),
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);
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} else
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return ThreadListItemView(item: items[index]);
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}),
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)
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: Center(
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child: Text("Эта новостная группа пуста",
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)));
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}
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}
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class ThreadListItemView extends StatelessWidget {
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const ThreadListItemView({Key? key, required this.item}) : super(key: key);
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final ThreadItem item;
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@override
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Widget build(BuildContext context) {
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return Card(
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elevation: 5,
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child: InkWell(
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splashColor: Colors.indigo.withAlpha(30),
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onTap: () =>
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Navigator.pushNamed(context, "/thread?num=${item.number}"),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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child: Text(
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item.subject,
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 21),
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),
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margin: EdgeInsets.only(top: 16, left: 16, right: 16),
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),
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Container(
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child: Row(
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children: [
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Text(
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item.author,
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style: TextStyle(
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fontWeight: FontWeight.normal,
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color: Colors.blue,
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fontSize: 15),
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),
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SizedBox(width: 5),
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Text(
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item.date,
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style: TextStyle(fontSize: 15),
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),
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SizedBox(width: 5),
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Text(
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"#${item.number}",
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style: TextStyle(fontSize: 15, color: Colors.grey),
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)
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],
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),
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margin: EdgeInsets.only(top: 5, bottom: 2, left: 16, right: 16),
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),
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Container(
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child: Text(item.body, style: TextStyle(fontSize: 17)),
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margin: EdgeInsets.all(16),
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)
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],
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),
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));
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}
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}
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class ThreadItem {
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final String id;
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final int number;
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final String subject;
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final String author;
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final String date;
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final String body;
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ThreadItem(
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this.id, this.number, this.subject, this.author, this.date, this.body);
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}
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