106 lines
2.9 KiB
Dart
106 lines
2.9 KiB
Dart
import 'package:provider/provider.dart';
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import 'package:blog_app/provider/blog.dart';
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import 'package:blog_app/widget/blog.dart';
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import 'package:blog_app/widget/common.dart';
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import 'package:blog_app/widget/year_selector.dart';
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import 'package:flutter/material.dart';
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import 'package:timelines_plus/timelines_plus.dart';
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class TimelinePage extends StatefulWidget {
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const TimelinePage({super.key});
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@override
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State<TimelinePage> createState() => TimelinePageState();
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}
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class TimelinePageState extends State<TimelinePage> {
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@override
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void initState() {
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super.initState();
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// 初始化加载数据
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<BlogProvider>().refreshBlogByYear();
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});
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}
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Widget _buildBlogList(BlogProvider provider) {
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final colors = Theme.of(context).colorScheme;
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return Timeline.tileBuilder(
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theme: TimelineThemeData(nodePosition: 0, indicatorPosition: 0),
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padding: EdgeInsets.all(6),
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builder: TimelineTileBuilder.connected(
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itemCount: provider.blogList.length,
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connectorBuilder:
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(context, index, type) =>
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Connector.solidLine(thickness: 2, color: colors.primary),
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indicatorBuilder: (context, index) {
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return Indicator.dot(size: 12.0, color: colors.primary);
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},
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contentsBuilder: (context, index) {
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final blog = provider.blogList[index];
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return InkWell(
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onTap: () => navigatorToBlogDetail(context, blog.id),
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child: buildBlogListItem(context, blog, index + 1),
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);
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},
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),
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);
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}
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Widget _buildContent(BlogProvider provider) {
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if (provider.error != null) {
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return buildErrorInfo(
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errorInfo: provider.error!,
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onPressed: () => provider.refreshBlogByYear(),
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);
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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YearSelector(
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initialYear: DateTime.now().year,
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minYear: 2000,
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maxYear: 2100,
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onYearChanged: (year) {
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setState(() {
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provider.currentYear = year;
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provider.refreshBlogByYear();
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});
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},
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),
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const SizedBox(height: 8),
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buildListTitle(provider.blogList.length),
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const SizedBox(height: 8),
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Expanded(
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child:
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provider.blogList.isEmpty
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? buildEmpty()
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: _buildBlogList(provider),
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),
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],
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);
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}
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@override
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Widget build(BuildContext context) {
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final blogProvider = context.watch<BlogProvider>();
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return Column(
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children: [
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Expanded(
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child: Stack(
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children: [
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if (blogProvider.isLoading)
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buildLoadingIndicator()
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else
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_buildContent(blogProvider),
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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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}
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