160 lines
4.5 KiB
Dart
160 lines
4.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:ainoval/models/novel_structure.dart';
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/// 生成场景对话框结果
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class GenerateSceneDialogResult {
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final String summary;
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final String? chapterId;
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final String? styleInstructions;
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GenerateSceneDialogResult({
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required this.summary,
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this.chapterId,
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this.styleInstructions,
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});
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}
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/// 生成场景对话框，用于输入摘要/大纲，然后触发AI生成场景内容
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class GenerateSceneDialog extends StatefulWidget {
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const GenerateSceneDialog({
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Key? key,
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required this.novel,
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this.initialSummary = '',
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this.initialChapterId,
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}) : super(key: key);
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/// 当前小说
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final Novel novel;
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/// 初始摘要文本
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final String initialSummary;
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/// 初始章节ID
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final String? initialChapterId;
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@override
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State<GenerateSceneDialog> createState() => _GenerateSceneDialogState();
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}
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class _GenerateSceneDialogState extends State<GenerateSceneDialog> {
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final TextEditingController _summaryController = TextEditingController();
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final TextEditingController _styleController = TextEditingController();
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String? _selectedChapterId;
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@override
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void initState() {
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super.initState();
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_summaryController.text = widget.initialSummary;
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_selectedChapterId = widget.initialChapterId;
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}
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@override
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void dispose() {
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_summaryController.dispose();
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_styleController.dispose();
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super.dispose();
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}
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/// 准备章节列表，包含篇章>章节层级
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List<DropdownMenuItem<String>> _buildChapterItems() {
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final items = <DropdownMenuItem<String>>[];
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// 空选项
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items.add(const DropdownMenuItem<String>(
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value: null,
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child: Text('（无指定章节）'),
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));
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// 遍历篇章和章节
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for (final act in widget.novel.acts) {
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for (final chapter in act.chapters) {
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items.add(DropdownMenuItem<String>(
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value: chapter.id,
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child: Text('${act.title} > ${chapter.title}'),
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));
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}
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}
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return items;
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}
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@override
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Widget build(BuildContext context) {
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return AlertDialog(
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title: const Text('AI 生成场景内容'),
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content: SingleChildScrollView(
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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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// 摘要/大纲输入
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TextField(
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controller: _summaryController,
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maxLines: 5,
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decoration: const InputDecoration(
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labelText: '场景摘要/大纲 *',
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hintText: '请输入场景的摘要或大纲，AI将根据此内容生成详细场景',
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border: OutlineInputBorder(),
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),
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),
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const SizedBox(height: 16),
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// 章节选择
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DropdownButtonFormField<String>(
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value: _selectedChapterId,
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decoration: const InputDecoration(
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labelText: '选择章节（可选）',
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border: OutlineInputBorder(),
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),
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items: _buildChapterItems(),
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onChanged: (value) {
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setState(() {
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_selectedChapterId = value;
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});
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},
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),
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const SizedBox(height: 16),
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// 风格指令
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TextField(
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controller: _styleController,
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decoration: const InputDecoration(
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labelText: '风格指令（可选）',
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hintText: '例如：多对话，少描写，悬疑风格',
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border: OutlineInputBorder(),
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),
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),
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],
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),
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),
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actions: [
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// 取消按钮
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text('取消'),
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),
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// 生成按钮
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ElevatedButton(
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onPressed: _summaryController.text.trim().isEmpty
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? null
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: () {
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// 返回生成结果
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Navigator.of(context).pop(
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GenerateSceneDialogResult(
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summary: _summaryController.text.trim(),
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chapterId: _selectedChapterId,
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styleInstructions: _styleController.text.trim().isNotEmpty
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? _styleController.text.trim()
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: null,
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),
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);
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},
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child: const Text('生成'),
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),
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],
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);
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}
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} |