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新增影视时长优化界面

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DelLevin-Home
2026-08-09 13:32:08 +08:00
parent 7af892c760
commit 26ec55dc9b
7 changed files with 403 additions and 150 deletions
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181
lib/widgets/duration_picker.dart Normal file
View File

@@ -0,0 +1,181 @@
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
/// 时长选择器（时:分两个滚轮的底部弹窗）
/// 返回总分钟数，取消返回 null
class DurationPicker {
/// 显示时长选择器
/// [initialMinutes] 初始总分钟数
static Future<int?> show({
required BuildContext context,
int initialMinutes = 0,
String title = '影视总时长',
}) {
return showModalBottomSheet<int>(
context: context,
backgroundColor: Theme.of(context).colorScheme.surface,
isScrollControlled: true,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
),
builder: (_) => _DurationPickerSheet(
initialMinutes: initialMinutes,
title: title,
),
);
}
}
class _DurationPickerSheet extends StatefulWidget {
final int initialMinutes;
final String title;
const _DurationPickerSheet({
required this.initialMinutes,
required this.title,
});
@override
State<_DurationPickerSheet> createState() => _DurationPickerSheetState();
}
class _DurationPickerSheetState extends State<_DurationPickerSheet> {
late int _hours;
late int _minutes;
late FixedExtentScrollController _hourCtrl;
late FixedExtentScrollController _minuteCtrl;
static const _maxHours = 100; // 0-99
@override
void initState() {
super.initState();
_hours = widget.initialMinutes ~/ 60;
_minutes = widget.initialMinutes % 60;
_hourCtrl = FixedExtentScrollController(initialItem: _hours);
_minuteCtrl = FixedExtentScrollController(initialItem: _minutes);
}
@override
void dispose() {
_hourCtrl.dispose();
_minuteCtrl.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 12, 20, 16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 拖拽条
Center(
child: Container(
width: 32,
height: 3,
decoration: BoxDecoration(
color: colors.onSurface.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(2),
),
),
),
const SizedBox(height: 12),
// 标题 + 操作按钮
Row(
children: [
TextButton(
onPressed: () => Navigator.pop(context, null),
child: Text('取消', style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
),
Expanded(
child: Center(
child: Text(widget.title, style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
),
),
TextButton(
onPressed: () => Navigator.pop(context, _hours * 60 + _minutes),
child: Text('确定', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.primary)),
),
],
),
const SizedBox(height: 8),
// 时长显示
Text(
_formatDisplay(),
style: TextStyle(fontSize: 22, fontWeight: FontWeight.w600, color: colors.onSurface),
),
const SizedBox(height: 12),
// 滚轮
SizedBox(
height: 200,
child: Row(
children: [
// 小时
Expanded(
child: _buildWheel(
controller: _hourCtrl,
itemCount: _maxHours,
suffix: '时',
onChanged: (i) => setState(() => _hours = i),
),
),
// 分隔
Padding(
padding: const EdgeInsets.only(bottom: 28),
child: Text(':', style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: colors.onSurface.withValues(alpha: 0.4))),
),
// 分钟
Expanded(
child: _buildWheel(
controller: _minuteCtrl,
itemCount: 60,
suffix: '分',
onChanged: (i) => setState(() => _minutes = i),
),
),
],
),
),
],
),
),
);
}
Widget _buildWheel({
required FixedExtentScrollController controller,
required int itemCount,
required String suffix,
required ValueChanged<int> onChanged,
}) {
final colors = Theme.of(context).colorScheme;
return CupertinoPicker(
scrollController: controller,
itemExtent: 36,
onSelectedItemChanged: onChanged,
children: List.generate(itemCount, (i) {
return Center(
child: Text(
'$i $suffix',
style: TextStyle(
fontSize: 16,
color: colors.onSurface,
),
),
);
}),
);
}
String _formatDisplay() {
if (_hours == 0 && _minutes == 0) return '未设置';
final parts = <String>[];
if (_hours > 0) parts.add('$_hours 小时');
if (_minutes > 0) parts.add('$_minutes 分');
return parts.join(' ');
}
}

239
lib/widgets/genre_selector_page.dart
View File

@@ -58,6 +58,7 @@ class GenreSelectorPage extends StatefulWidget {
class _GenreSelectorPageState extends State<GenreSelectorPage> {
late List<String> _selected;
final _controller = TextEditingController();
final _scrollController = ScrollController();
String _query = '';
List<String>? _loadedTags;
bool _loading = true;
@@ -69,6 +70,13 @@ class _GenreSelectorPageState extends State<GenreSelectorPage> {
_loadTags();
}
@override
void dispose() {
_controller.dispose();
_scrollController.dispose();
super.dispose();
}
Future<void> _loadTags() async {
if (widget.existingTags != null) {
_loadedTags = widget.existingTags;
@@ -78,12 +86,6 @@ class _GenreSelectorPageState extends State<GenreSelectorPage> {
if (mounted) setState(() => _loading = false);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
void _toggle(String tag) {
setState(() {
if (_selected.contains(tag)) {
@@ -168,86 +170,28 @@ class _GenreSelectorPageState extends State<GenreSelectorPage> {
children: [
// Header
Container(
padding: EdgeInsets.fromLTRB(16, MediaQuery.of(context).padding.top + 12, 8, 12),
decoration: BoxDecoration(
border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5)),
),
padding: EdgeInsets.fromLTRB(20, MediaQuery.of(context).padding.top + 14, 8, 14),
child: Row(
children: [
Text(widget.title, style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
const Spacer(),
TextButton(
onPressed: () => Navigator.pop(context, _selected),
onPressed: () {
// 输入框非空时，完成即添加并关闭
if (_query.trim().isNotEmpty && !_selected.contains(_query.trim())) {
_selected.add(_query.trim());
}
Navigator.pop(context, _selected);
},
child: Text('完成', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.primary)),
),
],
),
),
// 已选择（一行一个，最新在上）
if (_selected.isNotEmpty) ...[
Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
child: Align(
alignment: Alignment.centerLeft,
child: Text('已选择', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
),
),
ConstrainedBox(
constraints: BoxConstraints(maxHeight: MediaQuery.of(context).size.height * 0.25),
child: Container(
width: double.infinity,
padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
decoration: BoxDecoration(
border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5)),
),
child: ListView.builder(
padding: EdgeInsets.zero,
itemCount: _selected.length,
itemBuilder: (_, i) {
final idx = _selected.length - 1 - i;
final tag = _selected[idx];
return Padding(
padding: const EdgeInsets.only(bottom: 6),
child: Container(
decoration: BoxDecoration(
color: colors.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(10),
),
child: ListTile(
dense: true,
contentPadding: const EdgeInsets.symmetric(horizontal: 12),
leading: Icon(Icons.check_circle, size: 20, color: colors.primary),
title: GestureDetector(
onTap: () => _editItem(idx, tag),
child: Text(tag, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface)),
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
GestureDetector(
onTap: () => _editItem(idx, tag),
child: Icon(Icons.edit, size: 16, color: colors.onSurface.withValues(alpha: 0.3)),
),
const SizedBox(width: 8),
GestureDetector(
onTap: () => _toggle(tag),
child: Icon(Icons.close, size: 18, color: colors.onSurface.withValues(alpha: 0.35)),
),
],
),
),
),
);
},
),
),
),
],
// 搜索/输入框
Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
padding: const EdgeInsets.fromLTRB(16, 0, 16, 12),
child: TextField(
controller: _controller,
style: TextStyle(fontSize: 14, color: colors.onSurface),
@@ -272,56 +216,115 @@ class _GenreSelectorPageState extends State<GenreSelectorPage> {
),
),
// 已有类型/搜索结果
if (allTags.isNotEmpty) ...[
Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
_loading ? '加载中...' : (query.isEmpty ? '已有类型' : '匹配结果'),
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4)),
),
// 已选择区（紧凑 chip 流，最新在上）
if (_selected.isNotEmpty) ...[
Container(
width: double.infinity,
margin: const EdgeInsets.fromLTRB(16, 0, 16, 8),
padding: const EdgeInsets.fromLTRB(12, 10, 12, 10),
decoration: BoxDecoration(
color: colors.primary.withValues(alpha: 0.06),
borderRadius: BorderRadius.circular(10),
),
child: _buildSelectedChips(colors),
),
const SizedBox(height: 4),
],
// 可选区标题
Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 6),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
_loading ? '加载中...' : (query.isEmpty ? '可选 (${available.length})' : '匹配结果 (${available.length})'),
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4)),
),
),
Expanded(
child: _loading
? Center(child: CircularProgressIndicator(strokeWidth: 2, color: colors.primary))
: available.isEmpty
? Center(child: Text(
query.isEmpty ? '暂无已有选项' : '无匹配结果，回车添加',
style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.3)),
))
: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 24),
child: Wrap(
spacing: 8,
runSpacing: 8,
children: available.map((tag) {
return GestureDetector(
onTap: () => _toggle(tag),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: colors.outline, width: 0.5),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.add, size: 14, color: colors.onSurface.withValues(alpha: 0.4)),
const SizedBox(width: 4),
Text(tag, style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.7))),
],
),
),
);
}).toList(),
),
// 可选列表（虚拟化）
Expanded(
child: _loading
? Center(child: CircularProgressIndicator(strokeWidth: 2, color: colors.primary))
: available.isEmpty
? Center(
child: Padding(
padding: const EdgeInsets.only(bottom: 32),
child: Text(
query.isEmpty ? '暂无可选' : '无匹配结果，回车添加',
style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.3)),
),
),
)
: ListView.builder(
controller: _scrollController,
padding: const EdgeInsets.fromLTRB(8, 0, 8, 24),
itemCount: available.length,
itemExtent: 44,
itemBuilder: (_, i) {
final tag = available[i];
return _buildAvailableItem(tag, colors);
},
),
),
],
),
),
);
}
/// 已选 chip 流：每个 chip 显示「标签名 ×」，点 × 移除，长按编辑
Widget _buildSelectedChips(ColorScheme colors) {
// 反序展示，最新在上
final reversed = _selected.reversed.toList();
return Wrap(
spacing: 6,
runSpacing: 6,
children: List.generate(reversed.length, (i) {
final actualIdx = _selected.length - 1 - i;
final tag = reversed[i];
return GestureDetector(
onTap: () => _toggle(tag),
onLongPress: () => _editItem(actualIdx, tag),
child: Container(
padding: const EdgeInsets.fromLTRB(10, 5, 6, 5),
decoration: BoxDecoration(
color: colors.primary,
borderRadius: BorderRadius.circular(14),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(tag, style: TextStyle(fontSize: 12, fontWeight: FontWeight.w500, color: colors.onPrimary)),
const SizedBox(width: 4),
Icon(Icons.close, size: 14, color: colors.onPrimary.withValues(alpha: 0.85)),
],
),
),
);
}),
);
}
/// 可选列表项：左标签 + 右添加图标
Widget _buildAvailableItem(String tag, ColorScheme colors) {
return InkWell(
onTap: () => _toggle(tag),
borderRadius: BorderRadius.circular(8),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12),
child: Row(
children: [
Expanded(
child: Text(
tag,
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.8)),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
),
Icon(Icons.add_circle_outline, size: 18, color: colors.onSurface.withValues(alpha: 0.3)),
],
),
),