结构重构

lib/pages/book/book_excerpt_form_page.dart

@@ -0,0 +1,188 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../../providers/app_provider.dart';
+import '../../models/data_models.dart';
+import '../../utils/toast_util.dart';
+import 'package:uuid/uuid.dart';
+
+/// 摘抄表单页面 - 新增/编辑摘抄
+class BookExcerptFormPage extends StatefulWidget {
+  final String bookId;
+  final BookExcerpt? excerpt;
+
+  const BookExcerptFormPage({
+    super.key,
+    required this.bookId,
+    this.excerpt,
+  });
+
+  @override
+  State<BookExcerptFormPage> createState() => _BookExcerptFormPageState();
+}
+
+class _BookExcerptFormPageState extends State<BookExcerptFormPage> {
+  final _formKey = GlobalKey<FormState>();
+  final _chapterController = TextEditingController();
+  final _contentController = TextEditingController();
+  final _commentController = TextEditingController();
+
+  bool _isLoading = false;
+
+  bool get _isEditing => widget.excerpt != null;
+
+  @override
+  void initState() {
+    super.initState();
+    if (_isEditing) {
+      _chapterController.text = widget.excerpt!.chapter;
+      _contentController.text = widget.excerpt!.content;
+      _commentController.text = widget.excerpt!.comment;
+    }
+  }
+
+  @override
+  void dispose() {
+    _chapterController.dispose();
+    _contentController.dispose();
+    _commentController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.white,
+      appBar: AppBar(
+        title: Text(_isEditing ? '编辑摘抄' : '添加摘抄'),
+        actions: [
+          TextButton(
+            onPressed: _isLoading ? null : _saveExcerpt,
+            child: _isLoading
+                ? const SizedBox(
+                    width: 20,
+                    height: 20,
+                    child: CircularProgressIndicator(strokeWidth: 2),
+                  )
+                : const Text(
+                    '保存',
+                    style: TextStyle(
+                      color: Color(0xFF1A1A1A),
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+          ),
+          const SizedBox(width: 8),
+        ],
+      ),
+      body: Form(
+        key: _formKey,
+        child: ListView(
+          padding: const EdgeInsets.all(24),
+          children: [
+            // 章节
+            TextFormField(
+              controller: _chapterController,
+              decoration: const InputDecoration(
+                labelText: '章节（可选）',
+                hintText: '例如：第一章、第3节等',
+                border: OutlineInputBorder(
+                  borderRadius: BorderRadius.zero,
+                ),
+                focusedBorder: OutlineInputBorder(
+                  borderRadius: BorderRadius.zero,
+                  borderSide: BorderSide(color: Color(0xFF1A1A1A)),
+                ),
+              ),
+            ),
+
+            const SizedBox(height: 24),
+
+            // 摘抄内容
+            TextFormField(
+              controller: _contentController,
+              maxLines: 8,
+              decoration: const InputDecoration(
+                labelText: '摘抄内容',
+                hintText: '输入你想要摘抄的内容...',
+                alignLabelWithHint: true,
+                border: OutlineInputBorder(
+                  borderRadius: BorderRadius.zero,
+                ),
+                focusedBorder: OutlineInputBorder(
+                  borderRadius: BorderRadius.zero,
+                  borderSide: BorderSide(color: Color(0xFF1A1A1A)),
+                ),
+              ),
+              validator: (value) {
+                if (value == null || value.trim().isEmpty) {
+                  return '请输入摘抄内容';
+                }
+                return null;
+              },
+            ),
+
+            const SizedBox(height: 24),
+
+            // 评论/感悟
+            TextFormField(
+              controller: _commentController,
+              maxLines: 5,
+              decoration: const InputDecoration(
+                labelText: '我的感悟（可选）',
+                hintText: '记录你对这段内容的思考和感悟...',
+                alignLabelWithHint: true,
+                border: OutlineInputBorder(
+                  borderRadius: BorderRadius.zero,
+                ),
+                focusedBorder: OutlineInputBorder(
+                  borderRadius: BorderRadius.zero,
+                  borderSide: BorderSide(color: Color(0xFF1A1A1A)),
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _saveExcerpt() async {
+    if (!_formKey.currentState!.validate()) return;
+
+    setState(() => _isLoading = true);
+
+    try {
+      final now = DateTime.now();
+      final excerpt = BookExcerpt(
+        id: _isEditing ? widget.excerpt!.id : const Uuid().v4(),
+        bookId: widget.bookId,
+        chapter: _chapterController.text.trim(),
+        content: _contentController.text.trim(),
+        comment: _commentController.text.trim(),
+        isDeleted: false,
+        createdAt: _isEditing ? widget.excerpt!.createdAt : now,
+        updatedAt: now,
+      );
+
+      if (_isEditing) {
+        await context.read<AppProvider>().updateBookExcerpt(excerpt);
+      } else {
+        await context.read<AppProvider>().addBookExcerpt(excerpt);
+      }
+
+      if (mounted) {
+        Navigator.pop(context);
+        ToastUtil.show(context, _isEditing ? '摘抄已更新' : '摘抄已添加');
+      }
+    } catch (e) {
+      if (mounted) {
+        ToastUtil.show(context, '保存失败: $e');
+      }
+    } finally {
+      if (mounted) {
+        setState(() => _isLoading = false);
+      }
+    }
+  }
+}
+