d67eedf7de
- SearchPage: 热搜词从日记标签频率动态生成 + 模板搜索网格 - ProfilePage: 成就徽章从 AchievementBloc 动态加载 + 头像首字母 - TeacherPage: 班级码改为对话框展示 (班级名+码+人数) - StickerLibraryPage: 分类从 API 动态合并 + 精选包卡片动态化 - TemplateGalleryPage: 适配动态数据 - ClassPage: 微调 - HomePage: 路由适配 - CalendarBloc: 新增测试 - AppRouter: 路由更新
371 lines
13 KiB
Dart
371 lines
13 KiB
Dart
// 贴纸库页面 — 贴纸包浏览 + 分类 Tab
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:nuanji_app/core/theme/app_colors.dart';
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import 'package:nuanji_app/core/theme/app_radius.dart';
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import 'package:nuanji_app/data/remote/api_client.dart';
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import '../bloc/sticker_bloc.dart';
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/// 贴纸库页面 — 分类浏览贴纸包
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class StickerLibraryPage extends StatefulWidget {
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const StickerLibraryPage({super.key});
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@override
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State<StickerLibraryPage> createState() => _StickerLibraryPageState();
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}
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class _StickerLibraryPageState extends State<StickerLibraryPage> {
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late final StickerBloc _bloc;
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final _searchController = TextEditingController();
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/// 默认分类 — 从 API 数据动态补充
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static const _defaultCategories = ['推荐', '可爱', '植物', '手绘', '校园', '节日', '文字', '和纸胶带'];
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List<String> get _categories {
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final apiCategories = _bloc.state.packs
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.map((p) => p.category)
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.whereType<String>()
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.toSet()
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.toList();
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if (apiCategories.isEmpty) return _defaultCategories;
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// 合并：推荐 + API 返回的分类
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return ['推荐', ...apiCategories];
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}
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@override
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void initState() {
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super.initState();
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_bloc = StickerBloc(api: context.read<ApiClient>());
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_bloc.load();
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}
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@override
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void dispose() {
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_bloc.dispose();
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_searchController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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return Scaffold(
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body: SafeArea(
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child: ListenableBuilder(
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listenable: _bloc,
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builder: (context, _) {
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final state = _bloc.state;
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if (state.isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (state.errorMessage != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.error_outline, size: 48, color: colorScheme.error),
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const SizedBox(height: 16),
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FilledButton.tonal(
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onPressed: _bloc.load,
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child: const Text('重试'),
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),
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],
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),
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);
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}
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return Column(
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children: [
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// ---- 自定义顶栏 ----
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Padding(
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padding: const EdgeInsets.fromLTRB(8, 8, 16, 0),
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child: Row(
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children: [
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IconButton(
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icon: const Icon(Icons.arrow_back_ios_new, size: 20),
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onPressed: () => Navigator.of(context).pop(),
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),
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Text('贴纸素材', style: theme.textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.w700,
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)),
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],
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),
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),
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const SizedBox(height: 8),
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// ---- 搜索框 ----
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: TextField(
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controller: _searchController,
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decoration: InputDecoration(
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hintText: '搜索贴纸...',
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prefixIcon: const Icon(Icons.search, size: 20),
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filled: true,
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fillColor: colorScheme.surface,
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border: OutlineInputBorder(
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borderRadius: AppRadius.pillBorder,
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borderSide: BorderSide.none,
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),
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contentPadding: const EdgeInsets.symmetric(vertical: 10, horizontal: 16),
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isDense: true,
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),
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style: theme.textTheme.bodyMedium,
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onChanged: (v) {
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_bloc.search(v);
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},
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),
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),
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const SizedBox(height: 12),
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// ---- 分类选择器（设计规格 8 分类） ----
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SizedBox(
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height: 40,
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child: ListView(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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children: _categories.map((cat) {
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final isSelected = cat == state.selectedCategory ||
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(cat == '推荐' && state.selectedCategory == '全部');
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return Padding(
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padding: const EdgeInsets.only(right: 8),
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child: FilterChip(
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selected: isSelected,
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label: Text(cat),
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onSelected: (_) {
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if (cat == '推荐') {
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_bloc.selectCategory('全部');
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} else {
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_bloc.selectCategory(cat);
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}
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},
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selectedColor: AppColors.accent.withValues(alpha: 0.15),
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checkmarkColor: AppColors.accent,
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labelStyle: TextStyle(
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color: isSelected ? AppColors.accent : colorScheme.onSurface,
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
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),
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),
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);
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}).toList(),
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),
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),
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const SizedBox(height: 12),
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// ---- 精选贴纸包卡片（动态数据） ----
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if (state.selectedCategory == '全部' && state.filteredPacks.isNotEmpty)
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: _FeaturedPackCard(pack: state.filteredPacks.first),
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),
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if (state.selectedCategory == '全部' && state.filteredPacks.isNotEmpty)
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const SizedBox(height: 16),
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// ---- 贴纸包网格 ----
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Expanded(
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child: state.filteredPacks.isEmpty
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? const Center(child: Text('暂无贴纸包'))
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: GridView.builder(
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padding: const EdgeInsets.all(16),
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gridDelegate:
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const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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mainAxisSpacing: 12,
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crossAxisSpacing: 12,
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childAspectRatio: 0.85,
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),
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itemCount: state.filteredPacks.length,
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itemBuilder: (context, index) {
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return _StickerPackCard(
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pack: state.filteredPacks[index],
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colorScheme: colorScheme,
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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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);
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}
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}
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/// 精选贴纸包卡片 — 渐变背景 + 动态数据
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class _FeaturedPackCard extends StatelessWidget {
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const _FeaturedPackCard({required this.pack});
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final StickerPack pack;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return GestureDetector(
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onTap: () {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('打开精选贴纸包: ${pack.name}')),
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);
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},
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [AppColors.accent, AppColors.tertiary],
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),
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borderRadius: AppRadius.lgBorder,
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),
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child: Row(
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children: [
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Container(
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width: 64,
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height: 64,
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.2),
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borderRadius: AppRadius.mdBorder,
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),
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alignment: Alignment.center,
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child: Text(pack.displayCover, style: const TextStyle(fontSize: 36)),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(pack.name, style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w700, color: Colors.white,
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)),
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const SizedBox(height: 4),
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Text(
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pack.description ?? '${pack.stickerCount} 张精选贴纸',
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style: theme.textTheme.bodySmall?.copyWith(
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color: Colors.white.withValues(alpha: 0.85),
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 8),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: pack.isFree ? AppColors.secondary : AppColors.rose,
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borderRadius: AppRadius.pillBorder,
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),
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child: Text(
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pack.isFree ? '免费' : '精品',
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style: const TextStyle(
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fontSize: 11, fontWeight: FontWeight.w600, 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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),
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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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/// 贴纸包卡片
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class _StickerPackCard extends StatelessWidget {
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const _StickerPackCard({
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required this.pack,
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required this.colorScheme,
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});
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final StickerPack pack;
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final ColorScheme colorScheme;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Card(
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: AppRadius.mdBorder,
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side: BorderSide(color: colorScheme.outlineVariant),
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),
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child: InkWell(
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onTap: () {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('打开贴纸包: ${pack.name}')),
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);
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},
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borderRadius: AppRadius.mdBorder,
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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// 贴纸包封面图标
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Container(
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width: 64,
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height: 64,
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decoration: BoxDecoration(
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color: colorScheme.primaryContainer.withValues(alpha: 0.3),
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borderRadius: AppRadius.mdBorder,
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),
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alignment: Alignment.center,
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child: Text(
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pack.coverImageUrl != null ? '🎨' : pack.displayCover,
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style: const TextStyle(fontSize: 32),
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),
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),
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const SizedBox(height: 12),
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// 名称
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Text(
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pack.name,
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style: theme.textTheme.titleSmall?.copyWith(
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fontWeight: FontWeight.w600,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 4),
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// 数量和价格标签
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'${pack.stickerCount} 张',
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style: theme.textTheme.bodySmall?.copyWith(
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color: colorScheme.onSurface.withValues(alpha: 0.5),
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),
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),
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if (!pack.isFree) ...[
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 6, vertical: 2),
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decoration: BoxDecoration(
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color: AppColors.accent.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(
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'积分',
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style: theme.textTheme.labelSmall?.copyWith(
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color: AppColors.accent,
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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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),
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);
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}
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}
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