426 lines
12 KiB
Dart
426 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:qhd_prevention/pages/my_appbar.dart';
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import 'package:qhd_prevention/tools/tools.dart';
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import 'package:geolocator/geolocator.dart';
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import '../../../http/ApiService.dart';
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import '../../../tools/h_colors.dart';
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class RiskDetailPage extends StatefulWidget {
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const RiskDetailPage({super.key, required this.itemData});
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final dynamic itemData;
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@override
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State<RiskDetailPage> createState() => _RiskDetailPageState();
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}
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class _RiskDetailPageState extends State<RiskDetailPage> {
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late List<dynamic> _list = [];
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// 风险等级文本
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final List<String> _levelTexts = ["重大风险", "较大风险", "一般风险", "低风险"];
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// 风险等级颜色
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final List<Color> _fxColors = [
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const Color(0xFFFADBD9),
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const Color(0xFFFCE6D2),
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const Color(0xFFFDF2CE),
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const Color(0xFFCCE6FF),
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];
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@override
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void initState() {
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// TODO: implement initState
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super.initState();
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_getForIdentification();
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}
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Future<void> _getForIdentification() async {
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try {
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final result = await ApiService.getForIdentification( widget.itemData["IDENTIFICATIONPARTS_ID"]);
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if (result['result'] == 'success') {
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final List<dynamic> newList = result['varList'] ?? [];
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setState(() {
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_list.addAll(newList);
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});
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}else{
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_showMessage('加载数据失败');
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}
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} catch (e) {
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// 出错时可以 Toast 或者在页面上显示错误状态
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print('加载数据失败：$e');
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}
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}
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Future<void> _addCoordinate() async {
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try {
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Position position = await _determinePosition();
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final result = await ApiService.addCoordinate( widget.itemData["IDENTIFICATIONPARTS_ID"],
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position.longitude.toString(),position.latitude.toString());
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if (result['result'] == 'success') {
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setState(() {
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_showMessage('提交成功');
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Navigator.pop(context);
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});
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}else{
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_showMessage('加载数据失败');
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}
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} catch (e) {
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// 出错时可以 Toast 或者在页面上显示错误状态
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print('加载数据失败：$e');
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}
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}
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@override
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: MyAppbar(title: "风险分布-详情"),
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body: SafeArea(
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child: LayoutBuilder(
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builder: (context, constraints) {
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// 设置底部最小高度，要预留出来
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const double bottomAreaHeight = 100;
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final double maxCardHeight =
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constraints.maxHeight - bottomAreaHeight;
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return Column(
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children: [
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// 卡片区：最大高度受限
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Padding(
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padding: const EdgeInsets.all(15),
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child: ConstrainedBox(
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constraints: BoxConstraints(maxHeight: maxCardHeight),
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child: Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(5),
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boxShadow: [/* ... */],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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_buildHeader(),
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const Divider(
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height: .5,
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thickness: .5,
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color: Colors.grey,
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),
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// ★ 这个 Flexible 包裹 SingleChildScrollView ★
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Flexible(
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fit: FlexFit.loose,
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(vertical: 10),
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physics: const ClampingScrollPhysics(),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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_itemCell("存在风险",0),
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_itemCell("主要管控措施",1),
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_itemCell("管控部门",2),
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_itemCell("事故类型",3),
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const Divider(
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height: .5,
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thickness: .5,
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color: Colors.grey,
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),
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_buildFooter(),
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],
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// children: _dataInfos.map(_itemCell).toList(),
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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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Spacer(),
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// 底部按钮固定
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_buildBottomButton(),
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SizedBox(height: 10,)
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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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// 头部信息组件
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Widget _buildHeader() {
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return Padding(
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padding: const EdgeInsets.all(15),
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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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widget.itemData['RISKUNITNAME']?? "",
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style: TextStyle(fontSize: 16, color: Colors.black54),
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),
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Text(
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widget.itemData['PARTSNAME'] ?? "未知地区",
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style: const TextStyle(fontSize: 16, color: Colors.black54),
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),
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],
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),
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);
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}
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// 风险等级标签
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Widget _buildFooter() {
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return Padding(
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padding: const EdgeInsets.all(15),
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child: Row(
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children: [
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Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(5),
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decoration: BoxDecoration(
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color: _getLevelColor(),
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borderRadius: BorderRadius.circular(2),
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),
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child: Text(
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_getLevel(),
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style: TextStyle(color: Colors.black),
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),
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),
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const Spacer(),
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],
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),
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);
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}
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String _getLevel(){
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int level;
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// 确保level在有效范围内 (1-4)
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// level = level.clamp(1, 4) - 1;
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if(widget.itemData['LEVELID']=="levelA"){
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level=0;
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}else if(widget.itemData['LEVELID']=="levelB"){
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level=1;
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}else if(widget.itemData['LEVELID']=="levelC"){
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level=2;
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}else {
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level=3;
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}
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return _levelTexts[level];
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}
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Color _getLevelColor(){
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int level;
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// 确保level在有效范围内 (1-4)
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// level = level.clamp(1, 4) - 1;
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if(widget.itemData['LEVELID']=="levelA"){
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level=0;
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}else if(widget.itemData['LEVELID']=="levelB"){
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level=1;
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}else if(widget.itemData['LEVELID']=="levelC"){
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level=2;
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}else {
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level=3;
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}
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return _fxColors[level];
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}
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// 底部按钮
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Widget _buildBottomButton() {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 10),
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child: SizedBox(
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width: double.infinity,
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height: 50,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.green,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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elevation: 3,
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),
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onPressed: () {
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// 按钮点击事件
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_addCoordinate();
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},
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child: const Text(
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"提交位置",
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
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),
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),
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),
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);
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}
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// 多项项信息组件
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Widget _itemCell(String title,int type) {
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// final details = item["detail"] as List<String>;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 8),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标题行
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Row(
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children: [
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Container(
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width: 4,
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height: 16,
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decoration: BoxDecoration(
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color: Colors.black38,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(width: 5),
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Text(
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title,
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style: const TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.bold,
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color: Colors.black87,
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),
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),
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],
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),
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const SizedBox(height: 10),
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// // 内容区域
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// ...details.map((text) => _textItem(text, false)).toList(),
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if(0==type||1==type)
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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for(int i = 0; i < _list.length; i++)
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_getWitchItem(type, i),
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],)
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else
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_getWitchItemTwo(type, type),
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],
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),
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);
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}
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Widget _getWitchItem(int type,int position) {
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String text="";
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switch(type){
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case 0:
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text= "$position.${_list[position]["RISK_DESCR"]}";
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break;
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case 1:
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text= "$position.${_list[position]["MEASURES"]}";
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break;
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// case 2:
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// text= _list[position]["RISK_DESCR"];
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// break;
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// case 3:
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// text= _list[position]["RISK_DESCR"];
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// break;
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}
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return _textItem(text,false);
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}
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Widget _getWitchItemTwo(int type,int position) {
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String text="";
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switch(type){
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// case 0:
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// text= _list[position]["RISK_DESCR"];
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// break;
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// case 1:
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// text= _list[position]["MEASURES"];
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// break;
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case 2:
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text= widget.itemData["DEPT_NAME"];
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break;
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case 3:
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for(int i=0;i<_list.length;i++){
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if(text.isEmpty){
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text=_list[i]["ACCIDENTS_NAME"];
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}else{
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text="$text,${_list[i]["ACCIDENTS_NAME"]}";
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}
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}
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break;
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}
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return _textItem(text,false);
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}
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// 文本项组件
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Widget _textItem(String text, bool isInfinity) {
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return Container(
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width: isInfinity ? double.infinity : null,
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: h_backGroundColor(),
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(
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text,
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style: const TextStyle(
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fontSize: 14,
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color: Colors.black87,
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height: 1.5,
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),
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),
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);
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}
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Future<Position> _determinePosition() async {
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bool serviceEnabled;
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LocationPermission permission;
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// 检查定位服务是否启用
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serviceEnabled = await Geolocator.isLocationServiceEnabled();
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if (!serviceEnabled) {
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return Future.error('Location services are disabled.');
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}
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// 获取权限
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permission = await Geolocator.checkPermission();
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if (permission == LocationPermission.denied) {
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permission = await Geolocator.requestPermission();
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if (permission == LocationPermission.denied) {
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return Future.error('Location permissions are denied');
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}
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}
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if (permission == LocationPermission.deniedForever) {
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return Future.error(
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'Location permissions are permanently denied, we cannot request permissions.');
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}
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// 获取当前位置
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return await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.high);
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}
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void _showMessage(String msg) {
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
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}
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}
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