117 lines
3.3 KiB
Dart
117 lines
3.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:food_hub_app/provider/food_provider.dart';
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import 'package:food_hub_app/widgets/common/index.dart';
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import 'package:food_hub_app/widgets/recipe/card.dart';
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import 'package:provider/provider.dart';
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class RecipeList extends StatefulWidget {
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const RecipeList({super.key});
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@override
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State<RecipeList> createState() => _RecipeListState();
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}
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class _RecipeListState extends State<RecipeList> {
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@override
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void initState() {
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super.initState();
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// 初始化加载数据
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<FoodProvider>().refreshRecipeList();
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context.read<FoodProvider>().queryCategoryList();
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});
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}
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Widget _buildSelectCategory(FoodProvider provider) {
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final colors = Theme.of(context).colorScheme;
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return Container(
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width: 140,
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decoration: BoxDecoration(
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color: colors.surfaceContainer,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.grey[200]!),
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),
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padding: EdgeInsets.symmetric(horizontal: 16),
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child: DropdownButton<String>(
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value: provider.queryCategory,
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isExpanded: true,
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borderRadius: BorderRadius.circular(12),
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dropdownColor: colors.surfaceContainer,
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elevation: 6,
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underline: Container(),
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items:
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provider.categoryList.map((String value) {
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return DropdownMenuItem<String>(
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value: value,
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child: Row(
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children: [
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Container(
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width: 8,
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height: 8,
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decoration: BoxDecoration(
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color: colors.primary,
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shape: BoxShape.circle,
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),
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),
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SizedBox(width: 8),
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Expanded(
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child: Text(value, style: TextStyle(fontSize: 14)),
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),
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],
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),
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);
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}).toList(),
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onChanged: (value) {
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setState(() {
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provider.queryCategory = value!;
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provider.refreshRecipeList();
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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 _buildContent(FoodProvider provider) {
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if (provider.recipeSummaryList.isEmpty) {
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return buildEmptyData();
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} else {
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return Column(
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children: [
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_buildSelectCategory(provider),
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SizedBox(height: 5),
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Expanded(
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child: GridView.builder(
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2, // 每行2个
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crossAxisSpacing: 8, // 水平间距
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mainAxisSpacing: 8, // 垂直间距
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childAspectRatio: 0.9,
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),
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itemCount: provider.recipeSummaryList.length,
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itemBuilder: (context, index) {
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return RecipeCard(recipe: provider.recipeSummaryList[index]);
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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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@override
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Widget build(BuildContext context) {
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final provider = context.watch<FoodProvider>();
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return Stack(
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children: [
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if (provider.isLoading)
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buildLoadingIndicator(context)
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else
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_buildContent(provider),
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],
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);
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}
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}
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