generated from dellevin/template
支持微信读书导入摘抄
This commit is contained in:
DelLevin-Home
267
lib/pages/book/book_excerpt_share_page.dart
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267
lib/pages/book/book_excerpt_share_page.dart
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import 'dart:io';
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import 'dart:ui' as ui;
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:share_plus/share_plus.dart';
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import '../../models/data_models.dart';
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import '../../utils/toast_util.dart';
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import '../../widgets/fade_in_local_image.dart';
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/// 摘抄分享海报页面
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class BookExcerptSharePage extends StatefulWidget {
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final BookExcerpt excerpt;
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final Book book;
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const BookExcerptSharePage({super.key, required this.excerpt, required this.book});
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@override
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State<BookExcerptSharePage> createState() => _BookExcerptSharePageState();
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}
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class _BookExcerptSharePageState extends State<BookExcerptSharePage> {
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final GlobalKey _posterKey = GlobalKey();
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bool _isGenerating = false;
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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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return Scaffold(
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backgroundColor: colors.surfaceContainerHighest,
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appBar: AppBar(
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backgroundColor: colors.surface,
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elevation: 0,
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leading: IconButton(
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icon: Icon(Icons.close, color: colors.onSurface),
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onPressed: () => Navigator.pop(context),
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),
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title: Text(
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'分享摘抄',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface),
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),
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centerTitle: true,
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actions: [
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TextButton(
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onPressed: _isGenerating ? null : _generateAndShare,
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child: _isGenerating
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? const SizedBox(width: 20, height: 20, child: CircularProgressIndicator(strokeWidth: 2))
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: Text('分享', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
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),
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const SizedBox(width: 8),
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],
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),
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body: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: RepaintBoundary(
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key: _posterKey,
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child: _buildPosterWidget(),
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),
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),
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),
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);
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}
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Widget _buildPosterWidget() {
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final colors = Theme.of(context).colorScheme;
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final excerpt = widget.excerpt;
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final book = widget.book;
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final hasCover = book.coverPath != null && book.coverPath!.isNotEmpty;
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final dateStr = '${excerpt.createdAt.year}.${excerpt.createdAt.month.toString().padLeft(2, '0')}.${excerpt.createdAt.day.toString().padLeft(2, '0')}';
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return Container(
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width: 320,
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(color: Colors.black.withValues(alpha: 0.1), blurRadius: 20, offset: const Offset(0, 10)),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 顶部：书籍信息条
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if (hasCover || book.title.isNotEmpty)
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Container(
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padding: const EdgeInsets.fromLTRB(20, 20, 20, 0),
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child: Row(
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children: [
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// 小封面
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if (hasCover)
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Container(
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width: 36,
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height: 50,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(4),
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color: colors.surfaceContainerHighest,
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),
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clipBehavior: Clip.antiAlias,
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child: FadeInLocalImage(
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path: book.coverPath,
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fit: BoxFit.cover,
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errorWidget: const SizedBox.shrink(),
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),
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),
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if (hasCover) const SizedBox(width: 12),
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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(
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book.title,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface),
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),
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if (book.authors.isNotEmpty) ...[
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const SizedBox(height: 2),
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Text(
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book.authors.join(' / '),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 12, color: 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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],
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),
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),
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// 分隔线
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
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child: Container(height: 0.5, color: colors.outline),
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),
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// 摘抄内容
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 想法
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if (excerpt.comment.isNotEmpty) ...[
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(Icons.chat_bubble_outline, size: 14, color: colors.primary.withValues(alpha: 0.6)),
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const SizedBox(width: 6),
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Expanded(
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child: Text(
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excerpt.comment,
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.5),
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height: 1.7,
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),
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),
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),
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],
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),
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const SizedBox(height: 14),
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],
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// 引号 + 内容
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'\u201C',
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style: TextStyle(
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fontSize: 28,
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color: colors.primary.withValues(alpha: 0.4),
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fontWeight: FontWeight.bold,
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height: 1.1,
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),
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),
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const SizedBox(width: 4),
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Expanded(
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child: Text(
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excerpt.content,
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style: TextStyle(
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fontSize: 15,
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color: colors.onSurface.withValues(alpha: 0.85),
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height: 1.9,
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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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// 底部：章节 + 日期 + 品牌
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Padding(
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padding: const EdgeInsets.fromLTRB(20, 20, 20, 20),
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child: Column(
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children: [
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Container(height: 0.5, color: colors.outline),
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const SizedBox(height: 12),
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Row(
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children: [
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if (excerpt.chapter.isNotEmpty) ...[
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Flexible(
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: colors.primary.withValues(alpha: 0.08),
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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excerpt.chapter,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 11, color: colors.primary.withValues(alpha: 0.7)),
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),
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),
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),
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const SizedBox(width: 8),
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],
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Text(dateStr, style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3))),
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const Spacer(),
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Text(
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'MookNote',
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.25), fontWeight: FontWeight.w500),
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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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Future<void> _generateAndShare() async {
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setState(() => _isGenerating = true);
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try {
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final boundary = _posterKey.currentContext?.findRenderObject() as RenderRepaintBoundary?;
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if (boundary == null) throw Exception('无法获取海报边界');
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final image = await boundary.toImage(pixelRatio: 3.0);
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final byteData = await image.toByteData(format: ui.ImageByteFormat.png);
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if (byteData == null) throw Exception('无法生成图片数据');
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final bytes = byteData.buffer.asUint8List();
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final tempDir = await getTemporaryDirectory();
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final fileName = 'excerpt_share_${DateTime.now().millisecondsSinceEpoch}.png';
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final file = File('${tempDir.path}/$fileName');
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await file.writeAsBytes(bytes);
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await Share.shareXFiles(
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[XFile(file.path)],
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text: '分享摘抄：${widget.book.title}',
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);
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} catch (e) {
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if (mounted) ToastUtil.show(context, '生成海报失败：$e');
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} finally {
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if (mounted) setState(() => _isGenerating = false);
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}
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}
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}
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