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
361 lines
12 KiB
Dart
361 lines
12 KiB
Dart
// 模板画廊页面 — 日记模板浏览和选择
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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:go_router/go_router.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/template_bloc.dart';
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/// 视图模式
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enum _ViewMode { daily, weekly, monthly }
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/// 模板画廊页面 — 浏览和选择日记模板
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class TemplateGalleryPage extends StatefulWidget {
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const TemplateGalleryPage({super.key});
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@override
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State<TemplateGalleryPage> createState() => _TemplateGalleryPageState();
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}
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class _TemplateGalleryPageState extends State<TemplateGalleryPage> {
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late final TemplateBloc _bloc;
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_ViewMode _viewMode = _ViewMode.daily;
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@override
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void initState() {
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super.initState();
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_bloc = TemplateBloc(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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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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final isDark = theme.brightness == Brightness.dark;
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final surfaceWarm = isDark ? AppColors.surfaceWarmDark : AppColors.surfaceWarmLight;
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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('模板画廊', 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: 12),
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// ---- 视图选择器 (日/周/月) ----
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: Row(
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children: [
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_ViewModeButton(
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emoji: '📅', label: '日视图',
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selected: _viewMode == _ViewMode.daily,
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surfaceWarm: surfaceWarm,
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onTap: () => setState(() => _viewMode = _ViewMode.daily),
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),
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const SizedBox(width: 8),
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_ViewModeButton(
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emoji: '📊', label: '周视图',
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selected: _viewMode == _ViewMode.weekly,
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surfaceWarm: surfaceWarm,
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onTap: () => setState(() => _viewMode = _ViewMode.weekly),
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),
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const SizedBox(width: 8),
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_ViewModeButton(
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emoji: '📈', label: '月视图',
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selected: _viewMode == _ViewMode.monthly,
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surfaceWarm: surfaceWarm,
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onTap: () => setState(() => _viewMode = _ViewMode.monthly),
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),
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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 ----
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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: state.categories.map((cat) {
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final isSelected = cat == state.selectedCategory;
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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: (_) => _bloc.selectCategory(cat),
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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: 8),
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// ---- 模板网格 (200px 高预览) ----
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Expanded(
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child: state.filteredTemplates.isEmpty
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? const Center(child: Text('暂无模板'))
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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: 0.52,
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),
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itemCount: state.filteredTemplates.length,
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itemBuilder: (context, index) {
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return _TemplateCard(
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template: state.filteredTemplates[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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),
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),
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);
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}
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}
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/// 视图模式按钮
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class _ViewModeButton extends StatelessWidget {
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const _ViewModeButton({
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required this.emoji,
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required this.label,
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required this.selected,
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required this.surfaceWarm,
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required this.onTap,
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});
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final String emoji;
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final String label;
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final bool selected;
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final Color surfaceWarm;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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decoration: BoxDecoration(
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color: selected ? surfaceWarm : Colors.transparent,
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border: Border.all(
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color: selected ? AppColors.accent : Theme.of(context).colorScheme.outlineVariant,
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width: selected ? 1.5 : 1,
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),
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borderRadius: AppRadius.pillBorder,
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(emoji, style: const TextStyle(fontSize: 14)),
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const SizedBox(width: 4),
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Text(label, style: TextStyle(
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fontSize: 13,
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fontWeight: selected ? FontWeight.w600 : FontWeight.normal,
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color: selected ? AppColors.accent : Theme.of(context).colorScheme.onSurface,
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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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/// 模板卡片 — 200px 预览 + 使用按钮 + 标签
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class _TemplateCard extends StatelessWidget {
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const _TemplateCard({required this.template});
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final Template template;
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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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final isDark = theme.brightness == Brightness.dark;
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final secondarySoft = isDark ? AppColors.secondarySoftDark : AppColors.secondarySoftLight;
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final tertiarySoft = isDark ? AppColors.tertiarySoftDark : AppColors.tertiarySoftLight;
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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: Padding(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// 模板预览区 — 200px 高
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Expanded(
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child: Container(
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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: [
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colorScheme.primaryContainer.withValues(alpha: 0.5),
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AppColors.tertiary.withValues(alpha: 0.3),
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],
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),
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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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template.emoji,
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style: const TextStyle(fontSize: 48),
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),
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),
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),
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const SizedBox(height: 10),
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// 模板名称
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Text(
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template.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: 2),
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// 描述
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if (template.description != null)
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Text(
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template.description!,
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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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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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// 标签（从模板 category 动态生成）
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Wrap(
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spacing: 6,
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runSpacing: 4,
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children: [
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if (template.category != null && template.category!.isNotEmpty)
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_TagPill(
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label: template.category!,
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bgColor: secondarySoft,
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textColor: AppColors.secondary,
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),
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_TagPill(
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label: template.isFree ? '免费' : '精品',
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bgColor: template.isFree ? tertiarySoft : AppColors.roseSoftLight,
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textColor: template.isFree ? AppColors.tertiary : AppColors.rose,
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),
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],
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),
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const SizedBox(height: 8),
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// 使用按钮
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SizedBox(
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width: double.infinity,
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child: FilledButton(
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onPressed: () {
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context.push('/editor?template=${template.id}');
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},
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style: FilledButton.styleFrom(
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backgroundColor: AppColors.accent,
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
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shape: RoundedRectangleBorder(borderRadius: AppRadius.pillBorder),
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),
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child: const Text('使用', style: TextStyle(
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fontSize: 13, 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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/// 标签胶囊
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class _TagPill extends StatelessWidget {
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const _TagPill({required this.label, required this.bgColor, required this.textColor});
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final String label;
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final Color bgColor;
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final Color textColor;
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: bgColor,
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borderRadius: AppRadius.pillBorder,
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),
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child: Text(label, style: TextStyle(
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fontSize: 10, fontWeight: FontWeight.w500, color: textColor,
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)),
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);
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}
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}
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