150 lines
4.5 KiB
Dart
150 lines
4.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:toast/toast.dart';
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import 'package:peach/config/_.dart';
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import 'package:peach/service/_.dart';
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import 'package:peach/utils/_.dart';
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import 'package:peach/entity/_.dart';
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import 'package:peach/widget/_.dart';
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class Search extends StatefulWidget {
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@override
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State<StatefulWidget> createState() => _Search();
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}
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class _Search extends State<Search> {
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// 搜索框控制器
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TextEditingController _controller = TextEditingController();
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FocusNode _userFocusNode = FocusNode();
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// 搜索建议
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List<String> proposalList = [
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'JK制服','医生','豹纹','清纯','空姐','大胸','黑丝','美腿','主播','香车','教室','学生装','老师', '风骚','蜜桃社','秀人网'
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];
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List<ItemList> result = [];
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@override
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void initState() {
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_controller.addListener(() {});
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// 监听输入框是否获得焦点，动态返回页面
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_userFocusNode.addListener(() {
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SearchProposal();
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setState(() => {});
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});
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}
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// 顶部搜索输入框
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Widget SearchItem () {
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return Container(
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height: Screen.setHeight(30.0),
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alignment: Alignment.center,
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decoration: BoxDecoration(
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color: ColorConfig.WhiteBackColor,
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borderRadius: BorderRadius.all(Radius.circular(25.0)),
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),
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child: TextField(
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controller: _controller,
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focusNode: _userFocusNode,
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autofocus: true,
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showCursor: true,
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cursorWidth: 2,
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style: TextStyle(fontSize: 14),
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cursorRadius: Radius.circular(10),
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cursorColor: ColorConfig.ThemeColor,
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textInputAction: TextInputAction.search,
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onSubmitted: (String val) {
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GetSearchData();
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},
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decoration: InputDecoration(
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isDense: true,
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border: InputBorder.none,
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contentPadding: EdgeInsets.only(left: 15),
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hintText: '输入搜索关键字',
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hintStyle: TextStyle(color: ColorConfig.NoActiveColor,fontSize: 14),
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),
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),
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);
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}
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// 顶部右侧的搜索按钮
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Widget SearchButton() {
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return IconButton(
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icon: Icon(Icons.search, color: ColorConfig.WhiteBackColor,),
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onPressed: () {
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GetSearchData();
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},
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);
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}
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// 如果输入框获得了焦点，那么返回搜索建议，否则返回搜索列表
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Widget SearchProposal() {
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if (_userFocusNode.hasFocus) {
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return Container(
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padding: EdgeInsets.all(15),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text("搜索建议",style: TextStyle(fontWeight: FontWeight.w500,fontSize: Screen.setFontSize(15)),),
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SizedBox(height: Screen.setHeight(10),),
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Wrap(
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children: proposalList.map((e) => InkWell(
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onTap: () {
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_controller.text = e;
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GetSearchData();
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},
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child: Container(
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margin: EdgeInsets.only(bottom: Screen.setFontSize(5),right: Screen.setFontSize(5)),
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decoration: BoxDecoration(
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color: ColorConfig.ThemeColor,
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borderRadius: BorderRadius.all(Radius.circular(25.0)),
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),
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padding: EdgeInsets.only(left: Screen.setFontSize(8),right: Screen.setFontSize(8),bottom: Screen.setFontSize(3),top: Screen.setFontSize(2)),
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child: Text(e, style: TextStyle(color: ColorConfig.WhiteBackColor,fontSize: Screen.setFontSize(12)),),
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),
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)).toList(),
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)
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],
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),
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);
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}else{
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return ItemWidget(
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data: result,
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title: '',
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longPress: () {}
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);
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}
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}
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// 如果输入框不为空，那么输入框失去焦点并关闭键盘展示搜索列表页面
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GetSearchData() async {
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if (_controller.text.length != 0) {
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_userFocusNode.unfocus();
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List<ItemList> res = await HomeService.GetSearchData(params: { "keyword": _controller.text });
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setState(() => result = res);
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} else {
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FocusScope.of(context).requestFocus(_userFocusNode);
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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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return Scaffold(
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appBar: AppBar(
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titleSpacing: 0.0,
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title: SearchItem(),
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elevation: 0,
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backgroundColor: ColorConfig.ThemeColor,
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actions: [ SearchButton() ],
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),
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body: SearchProposal(),
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);
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}
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@override
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dispose() {
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super.dispose();
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_controller.dispose();
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_userFocusNode.dispose();
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}
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} |