generated from dellevin/template
335 lines
14 KiB
Dart
335 lines
14 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../providers/app_provider.dart';
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import '../../models/data_models.dart';
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import '../../utils/toast_util.dart';
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/// 添加/编辑影评页面
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class MovieReviewFormPage extends StatefulWidget {
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final String movieId;
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final MovieReview? review;
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const MovieReviewFormPage({super.key, required this.movieId, this.review});
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@override
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State<MovieReviewFormPage> createState() => _MovieReviewFormPageState();
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}
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class _MovieReviewFormPageState extends State<MovieReviewFormPage> {
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final _formKey = GlobalKey<FormState>();
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late TextEditingController _contentController;
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late TextEditingController _reviewerController;
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late TextEditingController _sourceController;
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late int _reviewType;
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@override
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void initState() {
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super.initState();
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_contentController = TextEditingController(text: widget.review?.content ?? '');
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_reviewerController = TextEditingController(text: widget.review?.reviewer ?? '');
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_sourceController = TextEditingController(text: widget.review?.source ?? '');
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_reviewType = widget.review?.reviewType ?? 1;
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}
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@override
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void dispose() {
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_contentController.dispose();
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_reviewerController.dispose();
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_sourceController.dispose();
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super.dispose();
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}
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Movie? _getMovie() {
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return context.read<AppProvider>().movies.where((m) => m.id == widget.movieId).firstOrNull;
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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 colors = Theme.of(context).colorScheme;
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final isEdit = widget.review != null;
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final movie = _getMovie();
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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title: Text(isEdit ? '编辑影评' : '写影评'),
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),
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body: Form(
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key: _formKey,
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child: Column(
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children: [
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Expanded(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// ── 电影信息卡片 ──────────────────
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if (movie != null) _buildMovieCard(movie, colors),
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const SizedBox(height: 20),
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// ── 类型选择 ──────────────────────
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Text('影评类型', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface.withValues(alpha: 0.5))),
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const SizedBox(height: 8),
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_buildTypeSelector(colors),
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const SizedBox(height: 20),
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// ── 元信息 ────────────────────────
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_buildMetaField(
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icon: Icons.person_outline,
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hint: '评论人（选填）',
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controller: _reviewerController,
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colors: colors,
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),
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const SizedBox(height: 12),
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_buildMetaField(
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icon: Icons.link,
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hint: '来源（选填）',
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controller: _sourceController,
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colors: colors,
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),
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const SizedBox(height: 20),
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// ── 评论内容 ──────────────────────
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Text('评论内容', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface.withValues(alpha: 0.5))),
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const SizedBox(height: 8),
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_buildContentField(colors),
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],
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),
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),
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),
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// ── 底部保存按钮 ──────────────────────
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Container(
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padding: EdgeInsets.only(
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left: 16, right: 16, top: 12,
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bottom: MediaQuery.of(context).padding.bottom + 12,
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),
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decoration: BoxDecoration(
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color: colors.surface,
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border: Border(top: BorderSide(color: colors.outlineVariant, width: 0.5)),
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),
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child: SizedBox(
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width: double.infinity,
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height: 48,
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child: ElevatedButton(
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onPressed: _saveReview,
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style: ElevatedButton.styleFrom(
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backgroundColor: colors.primary,
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foregroundColor: colors.onPrimary,
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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child: Text(isEdit ? '更新影评' : '保存影评',
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style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
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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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// 电影信息卡片
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// ═══════════════════════════════════════════════════════════════════
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Widget _buildMovieCard(Movie movie, ColorScheme colors) {
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return Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12),
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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: 56, height: 72,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(6),
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color: colors.outlineVariant,
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),
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clipBehavior: Clip.antiAlias,
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child: movie.posterPath != null
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? Image.file(File(movie.posterPath!), fit: BoxFit.cover,
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errorBuilder: (_, __, ___) => Icon(Icons.movie_outlined, size: 24, color: colors.onSurface.withValues(alpha: 0.25)))
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: Icon(Icons.movie_outlined, size: 24, color: colors.onSurface.withValues(alpha: 0.25)),
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),
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const SizedBox(width: 14),
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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(movie.title, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface), maxLines: 2, overflow: TextOverflow.ellipsis),
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if (movie.rating != null) ...[
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const SizedBox(height: 4),
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Row(children: [
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Icon(Icons.star, size: 14, color: const Color(0xFFFFB800)),
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const SizedBox(width: 2),
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Text('${movie.rating}', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w600, color: colors.onSurface.withValues(alpha: 0.6))),
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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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// 类型选择器（分段按钮）
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// ═══════════════════════════════════════════════════════════════════
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Widget _buildTypeSelector(ColorScheme colors) {
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return SegmentedButton<int>(
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segments: const [
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ButtonSegment(value: 1, label: Text('短评'), icon: Icon(Icons.short_text)),
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ButtonSegment(value: 2, label: Text('长评'), icon: Icon(Icons.menu_book)),
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],
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selected: {_reviewType},
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onSelectionChanged: (v) => setState(() => _reviewType = v.first),
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style: ButtonStyle(
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backgroundColor: WidgetStateProperty.resolveWith((states) {
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if (states.contains(WidgetState.selected)) return colors.primary;
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return colors.surfaceContainerHighest;
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}),
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foregroundColor: WidgetStateProperty.resolveWith((states) {
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if (states.contains(WidgetState.selected)) return colors.onPrimary;
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return colors.onSurface.withValues(alpha: 0.6);
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}),
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iconColor: WidgetStateProperty.resolveWith((states) {
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if (states.contains(WidgetState.selected)) return colors.onPrimary;
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return colors.onSurface.withValues(alpha: 0.4);
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}),
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),
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);
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}
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// ═══════════════════════════════════════════════════════════════════
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// 元信息输入
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// ═══════════════════════════════════════════════════════════════════
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Widget _buildMetaField({
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required IconData icon,
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required String hint,
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required TextEditingController controller,
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required ColorScheme colors,
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}) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 14),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(10),
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),
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child: Row(
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children: [
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Icon(icon, size: 18, color: colors.onSurface.withValues(alpha: 0.35)),
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const SizedBox(width: 10),
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Expanded(
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child: TextField(
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controller: controller,
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style: TextStyle(fontSize: 14, color: colors.onSurface),
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decoration: InputDecoration(
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hintText: hint,
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hintStyle: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.3)),
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border: InputBorder.none,
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enabledBorder: InputBorder.none,
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focusedBorder: InputBorder.none,
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contentPadding: const EdgeInsets.symmetric(vertical: 12),
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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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// 内容输入区 + 字数统计
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// ═══════════════════════════════════════════════════════════════════
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Widget _buildContentField(ColorScheme colors) {
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return Container(
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(10),
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),
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child: Column(
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children: [
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TextFormField(
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controller: _contentController,
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maxLines: 10,
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minLines: 6,
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textAlignVertical: TextAlignVertical.top,
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style: TextStyle(fontSize: 15, color: colors.onSurface, height: 1.7),
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decoration: InputDecoration(
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hintText: '写下你的影评...',
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hintStyle: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.25)),
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border: InputBorder.none,
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enabledBorder: InputBorder.none,
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focusedBorder: InputBorder.none,
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contentPadding: const EdgeInsets.all(14),
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) return '请输入评论内容';
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return null;
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},
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),
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Padding(
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padding: const EdgeInsets.only(right: 14, bottom: 10),
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child: Align(
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alignment: Alignment.centerRight,
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child: Text(
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'${_contentController.text.length} 字',
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3)),
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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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// 保存
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// ═══════════════════════════════════════════════════════════════════
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Future<void> _saveReview() async {
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if (!_formKey.currentState!.validate()) return;
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final now = DateTime.now();
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if (widget.review == null) {
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final newReview = MovieReview(
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id: now.millisecondsSinceEpoch.toString(),
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movieId: widget.movieId,
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content: _contentController.text.trim(),
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reviewer: _reviewerController.text.trim(),
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source: _sourceController.text.trim(),
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reviewType: _reviewType,
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createdAt: now,
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updatedAt: now,
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);
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await context.read<AppProvider>().addMovieReview(newReview);
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} else {
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final updatedReview = widget.review!.copyWith(
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content: _contentController.text.trim(),
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reviewer: _reviewerController.text.trim(),
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source: _sourceController.text.trim(),
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reviewType: _reviewType,
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updatedAt: now,
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);
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await context.read<AppProvider>().updateMovieReview(updatedReview);
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}
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if (!mounted) return;
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ToastUtil.show(context, widget.review == null ? '添加成功' : '更新成功');
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Navigator.pop(context);
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}
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}
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