新增静态演示界面

This commit is contained in:
2026-07-21 17:41:01 +08:00
parent 030b11fe67
commit b9d7c9f2ee
23 changed files with 4215 additions and 144 deletions
+544
View File
@@ -0,0 +1,544 @@
import 'package:flutter/material.dart';
import 'package:patbond_flutter/core/theme/app_theme.dart';
import 'package:patbond_flutter/data/demo_data.dart';
import 'package:patbond_flutter/models/models.dart';
import 'package:patbond_flutter/state/app_state.dart';
import 'package:patbond_flutter/widgets/common.dart';
enum CreationMode { image, video }
class CreatePage extends StatefulWidget {
const CreatePage({
required this.appState,
required this.onPublished,
super.key,
});
final AppState appState;
final ValueChanged<PostModel> onPublished;
@override
State<CreatePage> createState() => _CreatePageState();
}
class _CreatePageState extends State<CreatePage> {
final titleController = TextEditingController();
final contentController = TextEditingController();
CreationMode mode = CreationMode.image;
CreationStyle selectedStyle = creationStyles.first;
String selectedModel = 'Patbond-V1';
String duration = '5 秒';
String resolution = '1080P';
bool upscaling = true;
bool uploaded = false;
bool uploading = false;
bool generating = false;
int generationStep = 0;
String? resultUrl;
List<String> tags = ['可爱修勾', 'AI宠物'];
@override
void dispose() {
titleController.dispose();
contentController.dispose();
super.dispose();
}
Future<void> simulateUpload() async {
setState(() => uploading = true);
await Future<void>.delayed(const Duration(milliseconds: 700));
if (!mounted) return;
setState(() {
uploading = false;
uploaded = true;
resultUrl = null;
});
}
Future<void> generate() async {
if (!uploaded) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('请先选择一张宠物照片')));
return;
}
setState(() {
generating = true;
generationStep = 1;
});
for (var step = 2; step <= 4; step++) {
await Future<void>.delayed(const Duration(milliseconds: 650));
if (!mounted) return;
setState(() => generationStep = step);
}
await Future<void>.delayed(const Duration(milliseconds: 500));
if (!mounted) return;
setState(() {
generating = false;
resultUrl = selectedStyle.image;
titleController.text = mode == CreationMode.image
? '豆豆的${selectedStyle.title}冒险'
: '豆豆的 AI 萌宠短片';
contentController.text = '刚刚用 Patbond 创作了新作品,快来看看豆豆的新造型吧!✨';
});
}
Future<void> addTag() async {
final controller = TextEditingController();
final value = await showDialog<String>(
context: context,
builder: (context) => AlertDialog(
title: const Text('添加话题'),
content: TextField(
controller: controller,
autofocus: true,
decoration: const InputDecoration(hintText: '输入话题名称'),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('取消'),
),
FilledButton(
onPressed: () => Navigator.pop(context, controller.text.trim()),
child: const Text('添加'),
),
],
),
);
controller.dispose();
if (value == null || value.isEmpty || tags.contains(value)) return;
setState(() => tags = [...tags, value]);
}
void publish() {
if (resultUrl == null || titleController.text.trim().isEmpty) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('请先完成生成并填写标题')));
return;
}
final post = PostModel(
id: 'post_user_${DateTime.now().millisecondsSinceEpoch}',
authorName: '萌宠新手(我)',
authorAvatar: userAvatar,
time: '刚刚',
breedTag: 'AI创作',
content:
'${titleController.text.trim()}\n\n${contentController.text.trim()}',
mainImage: resultUrl!,
likes: 1,
tags: [...tags, mode == CreationMode.image ? 'AI生图' : 'AI视频'],
comments: const [],
hasLiked: true,
);
widget.appState.publishPost(post);
setState(() {
uploaded = false;
resultUrl = null;
generationStep = 0;
titleController.clear();
contentController.clear();
});
widget.onPublished(post);
}
@override
Widget build(BuildContext context) {
return ListView(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 28),
children: [
SegmentedButton<CreationMode>(
segments: const [
ButtonSegment(
value: CreationMode.image,
icon: Icon(Icons.image_outlined),
label: Text('AI 图片'),
),
ButtonSegment(
value: CreationMode.video,
icon: Icon(Icons.movie_creation_outlined),
label: Text('AI 视频'),
),
],
selected: {mode},
showSelectedIcon: false,
onSelectionChanged: (value) => setState(() {
mode = value.first;
resultUrl = null;
}),
),
const SizedBox(height: 16),
_UploadCard(
uploaded: uploaded,
uploading: uploading,
imageUrl: widget.appState.pet.avatarUrl,
onTap: simulateUpload,
onRemove: () => setState(() {
uploaded = false;
resultUrl = null;
}),
),
const SizedBox(height: 16),
SectionCard(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('生成设置', style: Theme.of(context).textTheme.titleMedium),
const SizedBox(height: 14),
DropdownButtonFormField<String>(
initialValue: selectedModel,
decoration: const InputDecoration(labelText: '创作模型'),
items: ['Patbond-V1', 'Pet-Art Pro', 'Cute Motion']
.map(
(model) =>
DropdownMenuItem(value: model, child: Text(model)),
)
.toList(),
onChanged: (value) {
if (value != null) setState(() => selectedModel = value);
},
),
if (mode == CreationMode.video) ...[
const SizedBox(height: 12),
_ChoiceRow(
title: '视频时长',
values: const ['5 秒', '10 秒', '15 秒'],
selected: duration,
onChanged: (value) => setState(() => duration = value),
),
],
const SizedBox(height: 12),
_ChoiceRow(
title: '分辨率',
values: const ['720P', '1080P', '2K'],
selected: resolution,
onChanged: (value) => setState(() => resolution = value),
),
SwitchListTile.adaptive(
contentPadding: EdgeInsets.zero,
title: const Text('高清增强'),
subtitle: const Text('提升毛发与眼睛细节'),
value: upscaling,
onChanged: (value) => setState(() => upscaling = value),
),
],
),
),
const SizedBox(height: 18),
Text('热门风格', style: Theme.of(context).textTheme.titleLarge),
const SizedBox(height: 10),
SizedBox(
height: 150,
child: ListView.separated(
scrollDirection: Axis.horizontal,
itemCount: creationStyles.length,
separatorBuilder: (_, _) => const SizedBox(width: 10),
itemBuilder: (context, index) {
final style = creationStyles[index];
final selected = style.id == selectedStyle.id;
return InkWell(
onTap: () => setState(() {
selectedStyle = style;
resultUrl = null;
}),
borderRadius: BorderRadius.circular(20),
child: Container(
width: 125,
decoration: BoxDecoration(
border: Border.all(
color: selected ? AppColors.primary : AppColors.border,
width: selected ? 2 : 1,
),
borderRadius: BorderRadius.circular(20),
),
child: Stack(
fit: StackFit.expand,
children: [
RemoteImage(
url: style.image,
borderRadius: BorderRadius.circular(18),
),
DecoratedBox(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(18),
gradient: const LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Colors.transparent, Color(0xCC0F172A)],
),
),
),
Positioned(
left: 12,
right: 12,
bottom: 10,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
style.title,
style: const TextStyle(
color: Colors.white,
fontWeight: FontWeight.w800,
),
),
Text(
style.subtitle,
style: const TextStyle(
color: Color(0xFFE2E8F0),
fontSize: 10,
),
),
],
),
),
],
),
),
);
},
),
),
const SizedBox(height: 18),
if (generating) _GenerationProgress(step: generationStep),
FilledButton.icon(
style: FilledButton.styleFrom(
minimumSize: const Size.fromHeight(52),
backgroundColor: AppColors.ink,
),
onPressed: generating ? null : generate,
icon: generating
? const SizedBox.square(
dimension: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
)
: const Icon(Icons.auto_awesome),
label: Text(generating ? '正在生成…' : '开始生成'),
),
if (resultUrl != null) ...[
const SizedBox(height: 18),
SectionCard(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Icon(Icons.check_circle, color: AppColors.success),
const SizedBox(width: 8),
Text(
'生成完成',
style: Theme.of(context).textTheme.titleMedium,
),
],
),
const SizedBox(height: 14),
AspectRatio(
aspectRatio: 16 / 10,
child: RemoteImage(
url: resultUrl!,
borderRadius: BorderRadius.circular(18),
),
),
const SizedBox(height: 14),
TextField(
controller: titleController,
decoration: const InputDecoration(labelText: '发布标题(必填)'),
),
const SizedBox(height: 12),
TextField(
controller: contentController,
maxLines: 3,
decoration: const InputDecoration(labelText: '分享正文'),
),
const SizedBox(height: 12),
Wrap(
spacing: 8,
runSpacing: 8,
children: [
...tags.map(
(tag) => InputChip(
label: Text('#$tag'),
onDeleted: () => setState(
() =>
tags = tags.where((item) => item != tag).toList(),
),
),
),
ActionChip(
avatar: const Icon(Icons.add, size: 16),
label: const Text('话题'),
onPressed: addTag,
),
],
),
const SizedBox(height: 14),
const ListTile(
contentPadding: EdgeInsets.zero,
leading: Icon(Icons.location_on_outlined),
title: Text('北京市 · 朝阳区'),
trailing: Icon(Icons.chevron_right),
),
FilledButton.icon(
style: FilledButton.styleFrom(
minimumSize: const Size.fromHeight(48),
),
onPressed: publish,
icon: const Icon(Icons.send_rounded),
label: const Text('发布到社区'),
),
],
),
),
],
],
);
}
}
class _UploadCard extends StatelessWidget {
const _UploadCard({
required this.uploaded,
required this.uploading,
required this.imageUrl,
required this.onTap,
required this.onRemove,
});
final bool uploaded;
final bool uploading;
final String imageUrl;
final VoidCallback onTap;
final VoidCallback onRemove;
@override
Widget build(BuildContext context) {
return SectionCard(
child: SizedBox(
height: 190,
width: double.infinity,
child: uploading
? const Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
CircularProgressIndicator(),
SizedBox(height: 12),
Text('正在读取宠物照片…'),
],
)
: uploaded
? Stack(
fit: StackFit.expand,
children: [
RemoteImage(
url: imageUrl,
borderRadius: BorderRadius.circular(18),
),
Positioned(
right: 8,
top: 8,
child: IconButton.filled(
tooltip: '移除照片',
onPressed: onRemove,
icon: const Icon(Icons.close),
),
),
],
)
: InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(18),
child: const Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
CircleAvatar(
radius: 28,
child: Icon(Icons.add_photo_alternate_outlined),
),
SizedBox(height: 12),
Text(
'选择宠物照片',
style: TextStyle(fontWeight: FontWeight.w800),
),
SizedBox(height: 4),
Text('演示模式会读取豆豆的档案头像'),
],
),
),
),
);
}
}
class _ChoiceRow extends StatelessWidget {
const _ChoiceRow({
required this.title,
required this.values,
required this.selected,
required this.onChanged,
});
final String title;
final List<String> values;
final String selected;
final ValueChanged<String> onChanged;
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(title, style: Theme.of(context).textTheme.bodySmall),
const SizedBox(height: 7),
Wrap(
spacing: 8,
children: values
.map(
(value) => ChoiceChip(
label: Text(value),
selected: value == selected,
onSelected: (_) => onChanged(value),
),
)
.toList(),
),
],
);
}
}
class _GenerationProgress extends StatelessWidget {
const _GenerationProgress({required this.step});
final int step;
@override
Widget build(BuildContext context) {
const labels = ['分析宠物特征', '加载风格模型', '生成画面细节', '高清增强与合成'];
return Padding(
padding: const EdgeInsets.only(bottom: 14),
child: SectionCard(
child: Column(
children: [
LinearProgressIndicator(value: step / labels.length),
const SizedBox(height: 12),
for (var index = 0; index < labels.length; index++)
ListTile(
dense: true,
contentPadding: EdgeInsets.zero,
leading: Icon(
index < step ? Icons.check_circle : Icons.circle_outlined,
color: index < step ? AppColors.success : AppColors.muted,
size: 20,
),
title: Text(labels[index]),
),
],
),
),
);
}
}