pilipala/lib/pages/search/view.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:animations/animations.dart';
import 'package:get/get.dart';
import 'package:pilipala/common/widgets/http_error.dart';
import 'controller.dart';
import 'widgets/hot_keyword.dart';
import 'widgets/search_text.dart';

class SearchPage extends StatefulWidget {
  const SearchPage({super.key});

  @override
  State<SearchPage> createState() => _SearchPageState();
  static final RouteObserver<PageRoute> routeObserver =
      RouteObserver<PageRoute>();
}

class _SearchPageState extends State<SearchPage> with RouteAware {
  final SSearchController _searchController = Get.put(SSearchController());
  late Future? _futureBuilderFuture;

  @override
  void initState() {
    super.initState();
    _futureBuilderFuture = _searchController.queryHotSearchList();
  }

  @override
  // 返回当前页面时
  void didPopNext() async {
    _searchController.searchFocusNode.requestFocus();
    super.didPopNext();
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    SearchPage.routeObserver
        .subscribe(this, ModalRoute.of(context) as PageRoute);
  }

  @override
  Widget build(BuildContext context) {
    return OpenContainer(
      closedElevation: 0,
      openElevation: 0,
      onClosed: (_) => _searchController.onClear(),
      openColor: Theme.of(context).colorScheme.background,
      middleColor: Theme.of(context).colorScheme.background,
      closedColor: Theme.of(context).colorScheme.background,
      closedShape: const RoundedRectangleBorder(
          borderRadius: BorderRadius.all(Radius.circular(30.0))),
      openShape: const RoundedRectangleBorder(
          borderRadius: BorderRadius.all(Radius.circular(30.0))),
      closedBuilder: (BuildContext context, VoidCallback openContainer) {
        return Container(
          width: 250,
          height: 44,
          clipBehavior: Clip.hardEdge,
          decoration: const BoxDecoration(
            borderRadius: BorderRadius.all(Radius.circular(25)),
          ),
          child: Material(
            color:
                Theme.of(context).colorScheme.secondaryContainer.withAlpha(115),
            child: InkWell(
              splashColor: Theme.of(context)
                  .colorScheme
                  .primaryContainer
                  .withOpacity(0.3),
              onTap: openContainer,
              child: Row(
                children: [
                  const SizedBox(width: 14),
                  Icon(
                    Icons.search_outlined,
                    color: Theme.of(context).colorScheme.onSecondaryContainer,
                  ),
                  const SizedBox(width: 10),
                  Expanded(
                    child: Obx(
                      () => Text(
                        _searchController.defaultSearch.value,
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                        style: TextStyle(
                          color: Theme.of(context).colorScheme.outline,
                        ),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        );
      },
      openBuilder: (BuildContext context, VoidCallback _) {
        return Scaffold(
          resizeToAvoidBottomInset: false,
          appBar: AppBar(
            shape: Border(
              bottom: BorderSide(
                color: Theme.of(context).dividerColor.withOpacity(0.08),
                width: 1,
              ),
            ),
            titleSpacing: 0,
            actions: [
              Hero(
                tag: 'searchTag',
                child: IconButton(
                    onPressed: () => _searchController.submit(),
                    icon: const Icon(CupertinoIcons.search, size: 22)),
              ),
              const SizedBox(width: 10)
            ],
            title: Obx(
              () => TextField(
                autofocus: true,
                focusNode: _searchController.searchFocusNode,
                controller: _searchController.controller.value,
                textInputAction: TextInputAction.search,
                onChanged: (value) => _searchController.onChange(value),
                decoration: InputDecoration(
                  hintText: _searchController.hintText,
                  border: InputBorder.none,
                  suffixIcon: IconButton(
                    icon: Icon(
                      Icons.clear,
                      size: 22,
                      color: Theme.of(context).colorScheme.outline,
                    ),
                    onPressed: () => _searchController.onClear(),
                  ),
                ),
                onSubmitted: (String value) => _searchController.submit(),
              ),
            ),
          ),
          body: SingleChildScrollView(
            child: _history(),
          ),
        );
      },
    );
  }

  Widget _history() {
    return Obx(
      () => Container(
        width: double.infinity,
        padding: const EdgeInsets.fromLTRB(10, 4, 6, 0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            if (_searchController.historyList.isNotEmpty)
              Padding(
                padding: const EdgeInsets.fromLTRB(6, 0, 0, 2),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Text(
                      '搜索历史',
                      style: Theme.of(context)
                          .textTheme
                          .titleMedium!
                          .copyWith(fontWeight: FontWeight.bold),
                    ),
                    TextButton(
                      onPressed: () => _searchController.onClearHis(),
                      child: const Text('清空'),
                    )
                  ],
                ),
              ),
            // if (_searchController.historyList.isNotEmpty)
            Wrap(
              spacing: 8,
              runSpacing: 8,
              direction: Axis.horizontal,
              textDirection: TextDirection.ltr,
              children: [
                for (int i = 0; i < _searchController.historyList.length; i++)
                  SearchText(
                    searchText: _searchController.historyList[i],
                    searchTextIdx: i,
                    onSelect: (value) => _searchController.onSelect(value),
                  )
              ],
            ),
          ],
        ),
      ),
    );
  }
}