68 lines
1.7 KiB
Dart
68 lines
1.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_common/widget/common_widget.dart';
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import 'package:food_hub_app/provider/food_provider.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 _buildRecipeList(FoodProvider provider) {
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return GridView.builder(
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padding: const EdgeInsets.only(bottom: 80),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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crossAxisSpacing: 8,
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mainAxisSpacing: 8,
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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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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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Expanded(child: _buildRecipeList(provider)),
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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()
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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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