feat(category): 添加分类功能并更新相关页面
- 新增 AddCategoryScreen 页面用于添加分类 - 更新 CategoryScreen 页面，添加浮动按钮用于导航到添加分类页面 - 修改 CategoryDropdown 组件，支持 ItemCategory 模型 - 更新 Item模型，将 location 改为字符串类型 - 修改 ItemScreen 页面，支持新的分类选择逻辑 - 更新数据库表结构，将 location 字段改为 TEXT 类型
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@ -3,7 +3,7 @@ CREATE TABLE items (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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category_id INTEGER,
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location_id INTEGER,
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location TEXT,
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description TEXT,
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price REAL,
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purchase_date TEXT,
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@ -7,7 +7,7 @@ class Item {
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// 分类
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final int? categoryId;
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// 位置
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final int? locationId;
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final String? location;
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// 描述
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final String? description;
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// 价格
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@ -27,7 +27,7 @@ class Item {
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this.id,
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required this.name,
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this.categoryId,
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this.locationId,
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this.location,
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this.description,
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this.price,
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this.purchaseDate,
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@ -41,7 +41,7 @@ class Item {
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return {
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'name': name,
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'category_id': categoryId,
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'location_id': locationId,
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'location': location,
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'description': description,
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'price': price,
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'purchase_date': purchaseDate,
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@ -57,7 +57,7 @@ class Item {
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id: map['id'],
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name: map['name'],
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categoryId: map['category_id'],
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locationId: map['location_id'],
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location: map['location'],
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description: map['description'],
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price: map['price'],
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purchaseDate: map['purchase_date'],
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73
lib/screens/category_screens/add_category_screen.dart
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73
lib/screens/category_screens/add_category_screen.dart
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@ -0,0 +1,73 @@
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import 'package:flutter/material.dart';
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import 'package:item_tracker/provider/item_category_provider.dart';
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import 'package:item_tracker/screens/category_screens/category_screen.dart';
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import 'package:provider/provider.dart';
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import '../../models/item_category_model.dart';
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class AddCategoryScreen extends StatefulWidget {
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@override
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_AddCategoryScreenState createState() => _AddCategoryScreenState();
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}
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class _AddCategoryScreenState extends State<AddCategoryScreen> {
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final _formKey = GlobalKey<FormState>();
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final _nameController = TextEditingController();
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final _descriptionController = TextEditingController();
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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('添加分类'),
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),
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body: Column(
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children: [
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Form(
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key: _formKey,
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child: Column(
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children: [
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TextFormField(
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controller: _nameController,
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decoration: InputDecoration(labelText: '名称'),
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validator: (value) {
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if (value == null || value.isEmpty) {
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return '请输入名称';
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}
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return null;
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},
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),
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TextFormField(
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controller: _descriptionController,
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),
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ElevatedButton(
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onPressed: () {
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if (_formKey.currentState!.validate()) {
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final category = ItemCategory(
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name: _nameController.text,
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description: _descriptionController.text
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);
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Provider.of<ItemCategoryProvider>(context, listen: false).addCategory(category);
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// 弹窗提示添加成功
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(
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content: Text('添加成功'),
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duration: Duration(seconds: 1),
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));
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Navigator.pop(context);
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Navigator.pop(context);
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}
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},
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child: Text('添加'),
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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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}
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@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../provider/item_category_provider.dart';
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import 'add_category_screen.dart';
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import 'detail_category_screen.dart';
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class CategoryScreen extends StatefulWidget {
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@ -59,6 +60,18 @@ class _CategoryScreenState extends State<CategoryScreen> {
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}).toList(),
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));
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}),
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floatingActionButton: FloatingActionButton(
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onPressed: () async {
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final shouldRefresh = await Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => AddCategoryScreen()),
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);
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},
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child: Icon(
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Icons.add,
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color: Colors.white,
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)
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)
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);
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}
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}
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@ -1,4 +1,6 @@
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import 'package:flutter/material.dart';
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import 'package:item_tracker/models/item_category_model.dart';
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import 'package:item_tracker/provider/item_category_provider.dart';
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import 'package:item_tracker/screens/item_screens/widgets/category_dropdown.dart';
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import 'package:item_tracker/screens/item_screens/widgets/date_picker_field.dart';
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import 'package:item_tracker/screens/item_screens/widgets/description_field.dart';
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@ -56,12 +58,14 @@ class _FromTestRouteSate extends State<ItemScreen> {
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String _selected = '';
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double? _price;
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DateTime? _selectedDate;
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String? _selectedCategory; // 当前选中的分类
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int? _selectedCategory; // 当前选中的分类
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ItemIsUse? _itemIsUse = ItemIsUse.yes;
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GlobalKey<FormState> _formKey = GlobalKey<FormState>();
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late ItemCategoryProvider _itemCategoryProvider;
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// 添加自定义分类列表
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List<String> _categories = ['A', 'B', 'C', 'D']; // 自定义分类
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late List<ItemCategory> _categories; // 自定义分类
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@override
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void initState() {
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@ -70,12 +74,22 @@ class _FromTestRouteSate extends State<ItemScreen> {
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if (item != null) {
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_name = item.name;
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_description = item.description!;
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_location = (item.location == null ? '' : item.location)!;
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_selectedDate = item.purchaseDate;
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}
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_itemCategoryProvider = Provider.of<ItemCategoryProvider>(context, listen: false);
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Future.microtask(() {
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_itemCategoryProvider =
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Provider.of<ItemCategoryProvider>(context, listen: false);
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_itemCategoryProvider.loadCategories();
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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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final _c = _itemCategoryProvider.categories;
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_categories = _c.toList();
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print(_categories);
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return Scaffold(
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appBar: AppBar(
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title: Text('新增物品'),
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@ -130,7 +144,7 @@ class _FromTestRouteSate extends State<ItemScreen> {
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final newItem = Item(
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name: _name,
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description: _description,
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purchaseDate: _selectedDate,
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categoryId: _selectedCategory,
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isInUse: _itemIsUse,
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price: _price,
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);
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@ -1,9 +1,10 @@
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import 'package:flutter/material.dart';
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import 'package:item_tracker/models/item_category_model.dart';
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class CategoryDropdown extends StatelessWidget {
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final List<String> categories;
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final String? selectedCategory;
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final ValueChanged<String?> onChanged;
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final List<ItemCategory> categories;
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final int? selectedCategory;
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final ValueChanged<int?> onChanged;
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CategoryDropdown({
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required this.categories,
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@ -13,12 +14,12 @@ class CategoryDropdown extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return DropdownButtonFormField<String>(
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return DropdownButtonFormField<int>(
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value: selectedCategory,
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items: categories.map((category) {
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return DropdownMenuItem<String>(
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value: category,
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child: Text(category),
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return DropdownMenuItem<int>(
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value: category.id,
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child: Text(category.name),
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);
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}).toList(),
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onChanged: onChanged,
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