import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import '../../api/api_service.dart';
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import '../../common/custom_search_bar.dart';
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import '../../common/empty_count.dart';
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import '../../common/my_sliver_persistent_header_delegate.dart';
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import 'mat_card.dart';
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class MatDetlsPage extends StatefulWidget {
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final List<Map<String, dynamic>>? data;
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const MatDetlsPage({super.key, this.data});
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@override
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State<MatDetlsPage> createState() => _MatDetlsState();
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}
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class _MatDetlsState extends State<MatDetlsPage> {
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/// 输入框焦点
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FocusNode focusNode = FocusNode();
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// List<Map<String, dynamic>> items = [
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//
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// ];
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var items = [];
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@override
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void initState() {
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super.initState();
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items = widget.data!;
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}
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///
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void _searchMat(value) async {
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var matAuth = await ApiService.matAuth(value);
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if (matAuth['data'] != null) {
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Get.toNamed('/mat_form_page', arguments: matAuth['data'])
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?.then((result) => {
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if (result != null)
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{
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setState(() {
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addItem(result);
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}),
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}
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});
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} else {
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Get.snackbar(
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"检索失败",
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'未检索到该物料：$value',
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duration: Duration(seconds: 2),
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backgroundColor: Color.fromRGBO(216, 97, 97, .8),
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colorText: Colors.white,
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);
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}
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}
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void addItem(item) {
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var fieldsToMatch = ['matnr', 'batch'];
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for (var existingItem in items) {
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bool isMatch =
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fieldsToMatch.every((field) => existingItem[field] == item[field]);
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if (isMatch) {
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var val = existingItem['anfme'];
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print('Existing value: $val');
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var newVal = item['anfme'];
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print('New value: $newVal');
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if ((val is int && newVal is int) || (val is double && newVal is double)) {
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existingItem['anfme'] = val + newVal;
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print('Updated value: $val');
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} else {
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print('Error: Value is not a number');
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}
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return;
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}
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}
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items.add(item);
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}
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void _updateItem(int index, item) {
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var args = {'index': index, 'item': item};
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Get.toNamed('/mat_form_page', arguments: args)?.then((result) => {
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if (result != null)
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{
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setState(() {
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var index = result['index'];
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var newItem = result['item'];
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setState(() {
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items[index] = newItem;
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});
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}),
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}
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});
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}
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void deleteItem(int index) {
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setState(() {
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// 删除指定索引的对象
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items.removeAt(index);
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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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title: Text('组托物料明细'),
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leading: IconButton(
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icon: Icon(Icons.arrow_back),
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onPressed: () {
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// 在这里处理返回逻辑
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Get.back(result: items);
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},
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),
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),
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body: WillPopScope(
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onWillPop: () async {
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// 当按下返回按钮时，返回数据给父页面
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Get.back(result: items);
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return true; // 允许返回
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},
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child: CustomScrollView(
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slivers: [
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SliverPersistentHeader(
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pinned: true, // 设置为true，表示吸顶效果
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delegate: MySliverPersistentHeaderDelegate(
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minHeight: 60, // 最小高度
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maxHeight: 60, // 最大高度
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child: CustomSearchBar(
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onChanged: _searchMat,
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onTap: () {
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Get.toNamed('/get_mat_page')?.then((result) => {
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if (result != null)
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{
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_searchMat(result),
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}
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});
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},
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)),
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),
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SliverList(
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delegate: items.isEmpty
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? SliverChildBuilderDelegate(
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(context, index) {
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print('Building item at index: $index'); // 添加调试信息
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return EmptyCount();
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},
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childCount: 1, // 项目数量
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)
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: SliverChildBuilderDelegate(
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(context, index) {
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var item = items[index];
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return Padding(
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padding: EdgeInsets.only(
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top: 0, right: 16, left: 16, bottom: 0),
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child: MatCard(
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item: item,
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isEdit: true,
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update: () => _updateItem(index, item),
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delete: () => deleteItem(index),
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),
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);
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},
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childCount: items.length, // 项目数量
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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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