318 lines
11 KiB
Dart
318 lines
11 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:animations/animations.dart';
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import 'package:get/get.dart';
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import 'package:pilipala/common/widgets/http_error.dart';
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import 'controller.dart';
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import 'widgets/hot_keyword.dart';
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import 'widgets/search_text.dart';
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class SearchPage extends StatefulWidget {
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const SearchPage({super.key});
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@override
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State<SearchPage> createState() => _SearchPageState();
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static final RouteObserver<PageRoute> routeObserver =
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RouteObserver<PageRoute>();
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}
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class _SearchPageState extends State<SearchPage> with RouteAware {
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final SSearchController _searchController = Get.put(SSearchController());
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late Future? _futureBuilderFuture;
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@override
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void initState() {
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super.initState();
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_futureBuilderFuture = _searchController.queryHotSearchList();
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}
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@override
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// 返回当前页面时
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void didPopNext() async {
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_searchController.searchFocusNode.requestFocus();
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super.didPopNext();
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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SearchPage.routeObserver
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.subscribe(this, ModalRoute.of(context) as PageRoute);
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}
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@override
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Widget build(BuildContext context) {
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return OpenContainer(
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closedElevation: 0,
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openElevation: 0,
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onClosed: (_) => _searchController.onClear(),
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openColor: Theme.of(context).colorScheme.background,
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middleColor: Theme.of(context).colorScheme.background,
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closedColor: Theme.of(context).colorScheme.background,
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closedShape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(30.0))),
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openShape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(30.0))),
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closedBuilder: (BuildContext context, VoidCallback openContainer) {
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return Container(
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width: 250,
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height: 44,
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clipBehavior: Clip.hardEdge,
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decoration: const BoxDecoration(
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borderRadius: BorderRadius.all(Radius.circular(25)),
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),
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child: Material(
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color:
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Theme.of(context).colorScheme.secondaryContainer.withAlpha(115),
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child: InkWell(
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splashColor: Theme.of(context)
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.colorScheme
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.primaryContainer
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.withOpacity(0.3),
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onTap: openContainer,
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child: Row(
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children: [
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const SizedBox(width: 14),
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Icon(
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Icons.search_outlined,
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color: Theme.of(context).colorScheme.onSecondaryContainer,
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),
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const SizedBox(width: 10),
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Expanded(
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child: Obx(
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() => Text(
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_searchController.defaultSearch.value,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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color: Theme.of(context).colorScheme.outline,
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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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),
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);
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},
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openBuilder: (BuildContext context, VoidCallback _) {
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return Scaffold(
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resizeToAvoidBottomInset: false,
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appBar: AppBar(
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shape: Border(
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bottom: BorderSide(
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color: Theme.of(context).dividerColor.withOpacity(0.08),
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width: 1,
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),
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),
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titleSpacing: 0,
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actions: [
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Hero(
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tag: 'searchTag',
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child: IconButton(
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onPressed: () => _searchController.submit(),
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icon: const Icon(CupertinoIcons.search, size: 22)),
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),
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const SizedBox(width: 10)
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],
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title: Obx(
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() => TextField(
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autofocus: true,
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focusNode: _searchController.searchFocusNode,
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controller: _searchController.controller.value,
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textInputAction: TextInputAction.search,
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onChanged: (value) => _searchController.onChange(value),
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decoration: InputDecoration(
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hintText: _searchController.hintText,
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border: InputBorder.none,
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suffixIcon: IconButton(
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icon: Icon(
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Icons.clear,
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size: 22,
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color: Theme.of(context).colorScheme.outline,
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),
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onPressed: () => _searchController.onClear(),
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),
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),
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onSubmitted: (String value) => _searchController.submit(),
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),
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),
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),
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body: SingleChildScrollView(
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child: Column(
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children: [
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const SizedBox(height: 12),
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// 搜索建议
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_searchSuggest(),
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// 热搜
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hotSearch(_searchController),
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// 搜索历史
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_history()
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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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Widget _searchSuggest() {
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return Obx(
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() => _searchController.searchSuggestList.isNotEmpty &&
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_searchController.searchSuggestList.first.term != null
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? ListView.builder(
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physics: const NeverScrollableScrollPhysics(),
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shrinkWrap: true,
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itemCount: _searchController.searchSuggestList.length,
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itemBuilder: (context, index) {
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return InkWell(
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customBorder: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(4),
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),
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onTap: () => _searchController.onClickKeyword(
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_searchController.searchSuggestList[index].term!),
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child: Padding(
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padding: const EdgeInsets.only(left: 20, top: 9, bottom: 9),
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// child: Text(
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// _searchController.searchSuggestList[index].term!,
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// ),
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child: _searchController.searchSuggestList[index].textRich,
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),
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);
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},
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)
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: const SizedBox(),
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);
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}
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Widget hotSearch(ctr) {
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return Padding(
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padding: const EdgeInsets.fromLTRB(10, 14, 4, 0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(6, 0, 6, 6),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'大家都在搜',
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style: Theme.of(context)
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.textTheme
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.titleMedium!
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.copyWith(fontWeight: FontWeight.bold),
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),
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SizedBox(
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height: 34,
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child: TextButton.icon(
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style: ButtonStyle(
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padding: MaterialStateProperty.all(const EdgeInsets.only(
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left: 10, top: 6, bottom: 6, right: 10)),
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),
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onPressed: () => ctr.queryHotSearchList(),
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icon: const Icon(Icons.refresh_outlined, size: 18),
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label: const Text('刷新'),
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),
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),
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],
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),
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),
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LayoutBuilder(
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builder: (context, boxConstraints) {
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final double width = boxConstraints.maxWidth;
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return FutureBuilder(
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future: _futureBuilderFuture,
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.done) {
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Map data = snapshot.data as Map;
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if (data['status']) {
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return Obx(
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() => HotKeyword(
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width: width,
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hotSearchList: _searchController.hotSearchList.value,
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onClick: (keyword) async {
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_searchController.searchFocusNode.unfocus();
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await Future.delayed(
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const Duration(milliseconds: 150));
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_searchController.onClickKeyword(keyword);
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},
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),
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);
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} else {
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return HttpError(
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errMsg: data['msg'],
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fn: () => setState(() {}),
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);
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}
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} else {
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// 缓存数据
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if (_searchController.hotSearchList.isNotEmpty) {
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return HotKeyword(
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width: width,
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hotSearchList: _searchController.hotSearchList,
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);
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} else {
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return const SizedBox();
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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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),
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);
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}
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Widget _history() {
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return Obx(
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() => Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(10, 25, 6, 0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (_searchController.historyList.isNotEmpty)
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Padding(
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padding: const EdgeInsets.fromLTRB(6, 0, 0, 2),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'搜索历史',
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style: Theme.of(context)
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.textTheme
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.titleMedium!
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.copyWith(fontWeight: FontWeight.bold),
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),
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TextButton(
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onPressed: () => _searchController.onClearHis(),
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child: const Text('清空'),
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)
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],
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),
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),
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// if (_searchController.historyList.isNotEmpty)
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Wrap(
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spacing: 8,
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runSpacing: 8,
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direction: Axis.horizontal,
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textDirection: TextDirection.ltr,
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children: [
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for (int i = 0; i < _searchController.historyList.length; i++)
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SearchText(
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searchText: _searchController.historyList[i],
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searchTextIdx: i,
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onSelect: (value) => _searchController.onSelect(value),
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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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}
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}
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