586 lines
21 KiB
Dart
586 lines
21 KiB
Dart
import 'package:collection/collection.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_slidable/flutter_slidable.dart';
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import 'package:get/get.dart';
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import 'package:sk_base_mobile/app_theme.dart';
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import 'package:sk_base_mobile/models/sale_quotation.model.dart';
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import 'package:sk_base_mobile/screens/sale_quotation/components/sale_quotation_drawer.dart';
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import 'package:sk_base_mobile/screens/sale_quotation/sale_quotation.controller.dart';
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import 'package:sk_base_mobile/util/modal.util.dart';
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import 'package:sk_base_mobile/util/screen_adaper_util.dart';
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import 'package:sk_base_mobile/util/snack_bar.util.dart';
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import 'package:sk_base_mobile/widgets/form_item/sk_number_input.dart';
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import 'package:sk_base_mobile/widgets/form_item/sk_text_input.dart';
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import 'package:sk_base_mobile/widgets/empty.dart';
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import 'package:sk_base_mobile/widgets/core/sk_appbar.dart';
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import 'package:flutter_sticky_header/flutter_sticky_header.dart';
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import 'package:math_expressions/math_expressions.dart';
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class SaleQuotationPage extends StatelessWidget {
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SaleQuotationPage({super.key});
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final controller = Get.put(SaleQuotationController());
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final quantityWidth = 140.0;
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final unitPriceWidth = 140.0;
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final amountWidth = 140.0;
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final headerTitleStyle = TextStyle(
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fontSize: ScreenAdaper.height(30),
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fontWeight: FontWeight.w600,
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color: AppTheme.nearlyBlack);
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final headerBgcolor = const Color.fromARGB(255, 238, 238, 238);
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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key: controller.scaffoldKey,
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endDrawer: const Drawer(
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// 从右到左出现
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child: SaleQuotationEndDrawer(),
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),
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appBar: SkAppbar(
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title: '报价计算',
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action: [
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IconButton(
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onPressed: () {
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controller.scaffoldKey.currentState?.openEndDrawer();
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},
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icon: const Icon(Icons.more_horiz_outlined, color: AppTheme.white),
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),
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Container(
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padding: EdgeInsets.symmetric(
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vertical: ScreenAdaper.height(10),
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horizontal: ScreenAdaper.width(20)),
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child: Row(mainAxisAlignment: MainAxisAlignment.end, children: [
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GestureDetector(
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onTap: () {
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controller.addGroup();
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},
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child: Icon(
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Icons.add,
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size: ScreenAdaper.height(40),
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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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body: SafeArea(
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bottom: ScreenAdaper.isLandspace() ? false : true,
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child: Stack(children: [
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Column(
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children: [
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builderHeader(),
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Expanded(
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child: Obx(() => controller.groups.isEmpty
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? Empty(text: '请先添加分组')
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: CustomScrollView(
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slivers: controller.groups
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.mapIndexed<Widget>(
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(index, e) => buildBody(index))
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.toList(),
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))),
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// 当键盘弹起时，不显示
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SizedBox(
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height: ScreenAdaper.height(100),
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child: buildTotalCostRow(),
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),
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SizedBox(
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height: ScreenAdaper.height(100),
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child: buildTotalSalesPriceRow(),
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)
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],
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),
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// Positioned(
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// bottom: ScreenAdaper.height(220),
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// right: ScreenAdaper.height(10),
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// child: IconButton(
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// padding: EdgeInsets.all(ScreenAdaper.height(20)),
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// style: ButtonStyle(
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// backgroundColor: MaterialStateProperty.all<Color>(
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// AppTheme.primaryColorLight)),
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// onPressed: () {
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// controller.addGroup();
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// },
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// icon: Icon(
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// Icons.add,
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// size: ScreenAdaper.height(40),
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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 buildTotalSalesPriceRow() {
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final formulaController =
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TextEditingController(text: controller.formula.value);
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return Container(
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padding: EdgeInsets.symmetric(
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horizontal: ScreenAdaper.width(20),
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vertical: ScreenAdaper.height(10)),
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decoration: BoxDecoration(
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border: Border(
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top: BorderSide(width: 1, color: Colors.grey[200]!),
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),
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),
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child: Row(
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children: [
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Text(
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'合计',
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style: TextStyle(
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fontSize: ScreenAdaper.height(30), fontWeight: FontWeight.w600),
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),
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Expanded(
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child: Obx(
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() => Container(
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alignment: Alignment.centerLeft,
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padding:
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EdgeInsets.symmetric(horizontal: ScreenAdaper.width(10)),
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height: ScreenAdaper.height(100),
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width: ScreenAdaper.width(100),
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child: controller.isFormulaEditing.value
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? SkTextInput(
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hint: '',
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isDense: true,
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autoFocus: true,
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onFieldSubmitted: (value) {
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controller.formula.value = value;
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controller.isFormulaEditing.value = false;
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},
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validator: (String? value) {
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if (value == null) {
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return null;
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}
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try {
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Parser p = Parser();
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Expression exp = p.parse(value);
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Variable x = Variable('成本');
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ContextModel cm = ContextModel()
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..bindVariable(
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x, Number(controller.totalCost.value));
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exp.evaluate(EvaluationType.REAL, cm);
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return null;
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} catch (e) {
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return '公式错误';
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}
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},
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onChanged: (String formula) {
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try {
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controller.calculateTotal(newFormula: formula);
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} catch (e) {}
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},
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onTapOutside: (String value) {
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controller.formula.value = value;
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controller.isFormulaEditing.value = false;
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},
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contentPadding: EdgeInsets.symmetric(
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horizontal: ScreenAdaper.width(20),
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vertical: ScreenAdaper.height(10)),
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textController: formulaController)
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: InkWell(
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onTap: () {
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controller.isFormulaEditing.value = true;
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},
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child: Text('（${controller.formula}）',
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style: TextStyle(
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fontSize: ScreenAdaper.height(30),
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color: AppTheme.grey)),
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),
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),
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),
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),
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// IconButton(
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// onPressed: () {
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// controller.isFormulaEditing.value =
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// !controller.isFormulaEditing.value;
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// },
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// icon: Icon(Icons.edit, size: ScreenAdaper.height(30)),
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// ),
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Obx(
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() => Text(
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'￥${controller.totalPrice.value}',
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textAlign: TextAlign.right,
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style: TextStyle(
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fontSize: ScreenAdaper.height(30),
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fontWeight: FontWeight.w600),
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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 buildTotalCostRow() {
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return Container(
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padding: EdgeInsets.symmetric(
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horizontal: ScreenAdaper.width(20),
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vertical: ScreenAdaper.height(10)),
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decoration: BoxDecoration(
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border: Border(
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top: BorderSide(width: 1, color: Colors.grey[200]!),
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),
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),
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child: Row(
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children: [
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Text(
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'成本',
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style: TextStyle(
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fontSize: ScreenAdaper.height(30), fontWeight: FontWeight.w600),
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),
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const Spacer(),
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Obx(
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() => Text(
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'￥${controller.totalCost.value}',
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style: TextStyle(
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fontSize: ScreenAdaper.height(30),
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fontWeight: FontWeight.w600),
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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 builderHeader() {
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return Container(
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decoration: BoxDecoration(
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color: headerBgcolor,
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border: Border(
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bottom:
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BorderSide(color: AppTheme.nearlyBlack.withOpacity(0.5)))),
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padding: EdgeInsets.only(
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left: ScreenAdaper.width(20),
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top: ScreenAdaper.height(10),
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bottom: ScreenAdaper.height(10)),
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child: Row(
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children: [
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Text(
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'名称',
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style: headerTitleStyle,
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),
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const Spacer(),
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Container(
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alignment: Alignment.center,
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width: ScreenAdaper.width(quantityWidth),
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// constraints: BoxConstraints(minWidth: quantityWidth),
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child: Text(
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'数量',
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style: headerTitleStyle,
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),
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),
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Container(
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alignment: Alignment.center,
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width: ScreenAdaper.width(unitPriceWidth),
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// constraints: BoxConstraints(minWidth: ScreenAdaper.width(unitPriceWidth)),
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child: Text(
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'单价',
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style: headerTitleStyle,
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),
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),
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Container(
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alignment: Alignment.center,
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width: ScreenAdaper.width(amountWidth),
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child: Text(
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'总价',
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style: headerTitleStyle,
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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 buildBody(int groupIndex) {
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return SliverStickyHeader.builder(
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builder: (context, state) => buildGroupHeader(groupIndex, state),
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sliver: Obx(() => !controller.groups[groupIndex].isExpanded.value
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? SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, i) => const SizedBox(),
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childCount: 0,
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))
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: SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, int i) => buildRow(groupIndex, i),
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childCount: !controller.groups[groupIndex].isExpanded.value
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? 0
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: controller.groups[groupIndex].items.length,
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),
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)),
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);
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}
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Widget buildGroupHeader(int groupIndex, SliverStickyHeaderState state) {
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final titleStyle = TextStyle(
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fontSize: ScreenAdaper.height(30),
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color: AppTheme.nearlyBlack,
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fontWeight: FontWeight.w600);
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return Container(
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height: ScreenAdaper.height(80),
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color: headerBgcolor.withOpacity(1.0 - state.scrollPercentage),
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alignment: Alignment.centerLeft,
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child: InkWell(
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onTap: () {
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controller.groups[groupIndex].isExpanded.value =
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!controller.groups[groupIndex].isExpanded.value;
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},
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child: Row(
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children: [
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Obx(() => controller.groups[groupIndex].isExpanded.value
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? IconButton(
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padding: EdgeInsets.zero,
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onPressed: () {
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controller.groups[groupIndex].isExpanded.value =
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false;
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},
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icon: const Icon(
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Icons.expand_more,
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color: AppTheme.nearlyBlack,
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),
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)
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: IconButton(
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padding: EdgeInsets.zero,
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onPressed: () {
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controller.groups[groupIndex].isExpanded.value = true;
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},
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icon: const Icon(
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Icons.chevron_right,
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color: AppTheme.nearlyBlack,
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),
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)),
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Text(
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controller.groups[groupIndex].name,
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style: titleStyle,
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),
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const Spacer(),
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IconButton(
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onPressed: () {
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ModalUtil.alert(
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contentText: '确定要删除此组吗?',
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onConfirm: () {
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controller.removeGroup(groupIndex);
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});
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},
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icon: const Icon(
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Icons.delete_outline,
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color: AppTheme.nearlyBlack,
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)),
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IconButton(
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onPressed: () {
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controller.addItems(groupIndex);
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},
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icon: const Icon(
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Icons.add,
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color: AppTheme.nearlyBlack,
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)),
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],
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)));
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}
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Widget buildRow(int groupIndex, int rowIndex) {
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final subTextStyle =
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TextStyle(color: AppTheme.grey, fontSize: ScreenAdaper.height(25));
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return Slidable(
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key: UniqueKey(),
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endActionPane: ActionPane(
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extentRatio: 0.2,
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motion: const DrawerMotion(),
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children: [
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SlidableAction(
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padding: EdgeInsets.zero,
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onPressed: (_) {
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controller.removeItem(groupIndex, rowIndex);
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},
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backgroundColor: AppTheme.dangerColor,
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foregroundColor: Colors.white,
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icon: Icons.delete,
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label: '删除',
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),
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],
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),
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child: Container(
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padding: EdgeInsets.only(
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left: ScreenAdaper.width(20),
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top: ScreenAdaper.height(15),
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bottom: ScreenAdaper.height(15),
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),
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constraints: BoxConstraints(minHeight: ScreenAdaper.height(100)),
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(width: 1, color: Colors.grey[200]!),
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),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Expanded(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Expanded(
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child: Text(
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controller.groups[groupIndex].items[rowIndex].name,
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style: TextStyle(
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fontWeight: FontWeight.w600,
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fontSize: ScreenAdaper.height(30)),
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),
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),
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],
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),
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if (controller.groups[groupIndex].items[rowIndex].spec !=
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null)
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Row(
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children: [
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Text(
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'规格、型号: ',
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style: subTextStyle,
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),
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Text(
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controller.groups[groupIndex].items[rowIndex].spec ??
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'',
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style: subTextStyle,
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),
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],
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),
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if (controller.groups[groupIndex].items[rowIndex].unit !=
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null)
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Row(
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children: [
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Text(
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'单位: ',
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style: subTextStyle,
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),
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Text(
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controller.groups[groupIndex].items[rowIndex].unit ??
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'',
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style: subTextStyle,
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),
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],
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),
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if (controller.groups[groupIndex].items[rowIndex].remark !=
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null)
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Row(
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children: [
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Text(
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'备注: ',
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style: subTextStyle,
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),
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Expanded(
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child: Text(
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'${controller.groups[groupIndex].items[rowIndex].remark ?? ''}${controller.groups[groupIndex].items[rowIndex].remark ?? ''}${controller.products[rowIndex].remark ?? ''}',
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overflow: TextOverflow.ellipsis,
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style: subTextStyle,
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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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const VerticalDivider(),
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buildEditCell<int>(
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Container(
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alignment: Alignment.center,
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width: ScreenAdaper.width(quantityWidth),
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child: Text(
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'${controller.groups[groupIndex].items[rowIndex].quantity}',
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style: TextStyle(fontSize: ScreenAdaper.height(25)),
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),
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),
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groupIndex: groupIndex,
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rowIndex: rowIndex,
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field: 'quantity',
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inputWidth: ScreenAdaper.width(quantityWidth),
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value: controller.groups[groupIndex].items[rowIndex].quantity,
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func: (value) {
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// 取消失去焦点，并且弹窗警告
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bool isValid = value > 0;
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if (!isValid) {
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SnackBarUtil().error('数量必须>0,若想删除产品0，请左滑');
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}
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return isValid;
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}),
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buildEditCell<int>(
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Container(
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alignment: Alignment.center,
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width: ScreenAdaper.width(unitPriceWidth),
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child: Text(
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'${controller.groups[groupIndex].items[rowIndex].cost}',
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style: TextStyle(fontSize: ScreenAdaper.height(25)),
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),
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),
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groupIndex: groupIndex,
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rowIndex: rowIndex,
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field: 'cost',
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inputWidth: ScreenAdaper.width(unitPriceWidth),
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value: controller.groups[groupIndex].items[rowIndex].cost),
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buildEditCell<int>(
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Container(
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alignment: Alignment.center,
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width: ScreenAdaper.width(amountWidth),
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child: Text(
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'${controller.groups[groupIndex].items[rowIndex].amount}',
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style: TextStyle(fontSize: ScreenAdaper.height(25)),
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),
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),
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groupIndex: groupIndex,
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rowIndex: rowIndex,
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field: 'amount',
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inputWidth: ScreenAdaper.width(amountWidth),
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value: controller.groups[groupIndex].items[rowIndex].amount),
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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 buildEditCell<T>(
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Widget content, {
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required int groupIndex,
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required int rowIndex,
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required String field,
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required double inputWidth,
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required dynamic value,
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Function(dynamic)? func,
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}) {
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return Obx(() => controller.editingcell[0] == groupIndex &&
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controller.editingcell[1] == rowIndex &&
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controller.editingcell[2] == field
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? SizedBox(
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width: inputWidth,
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child: SkNumberInput<T>(
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hint: '',
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isDense: true,
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autoFocus: true,
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validator: func,
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onFieldSubmitted: (value) {
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final editingData =
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controller.groups[groupIndex].items[rowIndex].toJson();
|
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editingData[field] = value as T;
|
||
controller.saveChanges(groupIndex, rowIndex,
|
||
SaleQuotationItemModel.fromJson(editingData), field);
|
||
},
|
||
onTapOutside: (dynamic value) {
|
||
final editingData =
|
||
controller.groups[groupIndex].items[rowIndex].toJson();
|
||
editingData[field] = value as T;
|
||
controller.saveChanges(groupIndex, rowIndex,
|
||
SaleQuotationItemModel.fromJson(editingData), field);
|
||
},
|
||
contentPadding: EdgeInsets.symmetric(
|
||
horizontal: ScreenAdaper.width(20),
|
||
vertical: ScreenAdaper.height(10)),
|
||
textController:
|
||
TextEditingController(text: '${value == 0 ? '' : value}')),
|
||
)
|
||
: InkWell(
|
||
onTap: () {
|
||
controller.editingcell.value = [groupIndex, rowIndex, field];
|
||
},
|
||
child: content,
|
||
));
|
||
}
|
||
}
|