365 lines
13 KiB
Dart
365 lines
13 KiB
Dart
import 'package:ai_chat_assistant/utils/common_util.dart';
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import 'package:ai_chat_assistant/widgets/rotating_image.dart';
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import 'package:ai_chat_core/ai_chat_core.dart';
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import 'package:t_basic_intl/intl.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_markdown_plus/flutter_markdown_plus.dart';
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import 'package:provider/provider.dart';
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import '../services/message_service.dart';
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import 'package:flutter/services.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import '../utils/assets_util.dart';
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class ChatBubble extends StatefulWidget {
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final ChatMessage message;
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const ChatBubble({super.key, required this.message});
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@override
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State<ChatBubble> createState() => _ChatBubbleState();
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}
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class _ChatBubbleState extends State<ChatBubble> {
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bool _liked = false;
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bool _disliked = false;
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ChatMessage get message => widget.message;
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@override
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Widget build(BuildContext context) {
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final isThinking = message.status == MessageStatus.thinking;
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final content = Container(
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constraints: const BoxConstraints(minWidth: 50),
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
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decoration: BoxDecoration(
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color: message.isUser
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? CommonUtil.commonColor
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: Colors.white.withOpacity(0.12),
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borderRadius: message.isUser
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? const BorderRadius.only(
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topLeft: Radius.circular(12),
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bottomLeft: Radius.circular(12),
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bottomRight: Radius.circular(12),
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)
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: const BorderRadius.only(
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topRight: Radius.circular(12),
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bottomLeft: Radius.circular(12),
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bottomRight: Radius.circular(12),
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),
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),
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child: message.isUser
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? _buildUserContent()
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: _buildAssistantContent(isThinking),
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);
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// 用户气泡做宽度自适应处理
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final wrappedContent = message.isUser
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? ConstrainedBox(
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constraints: const BoxConstraints(
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maxWidth: double.infinity,
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),
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child: IntrinsicWidth(child: content),
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)
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: content;
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return Align(
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alignment: message.isUser ? Alignment.centerRight : Alignment.centerLeft,
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child: Column(
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crossAxisAlignment:
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message.isUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
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children: [wrappedContent],
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),
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);
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}
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Widget _buildUserContent() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (message.text.trim().isEmpty) ...[
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_buildStatusRow(hasBottomMargin: false),
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] else ...[
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_buildStatusRow(hasBottomMargin: true),
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Text(
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message.text,
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style: TextStyle(color: Colors.white, fontSize: 14),
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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 _buildAssistantContent(bool isThinking) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildStatusRow(hasBottomMargin: message.text.trim().isNotEmpty),
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if (message.text.trim().isNotEmpty) _buildMarkdownBody(),
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_buildDisclaimer(isThinking),
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],
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);
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}
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Widget _buildStatusRow({required bool hasBottomMargin}) {
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Widget icon;
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Color color;
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switch (message.status) {
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case MessageStatus.listening:
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case MessageStatus.recognizing:
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case MessageStatus.thinking:
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icon = RotatingImage(imagePath: 'thinking_circle.png');
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color = Colors.white;
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break;
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case MessageStatus.executing:
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icon = const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(Colors.blue)),
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);
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color = Colors.white;
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break;
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case MessageStatus.completed:
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case MessageStatus.success:
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icon = AssetsUtil.getImageWidget(
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'checked.png',
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width: 20,
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height: 20,
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);
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color = Colors.white;
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break;
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case MessageStatus.failure:
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icon = const Icon(Icons.error, size: 16, color: Colors.red);
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color = Colors.red;
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break;
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case MessageStatus.aborted:
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icon = const Icon(Icons.block, size: 16, color: Colors.grey);
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color = Colors.grey;
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break;
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default:
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return const SizedBox.shrink();
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}
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return _statusRow(
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icon: icon, color: color, hasBottomMargin: hasBottomMargin);
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}
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Widget _statusRow({
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required Widget icon,
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required Color color,
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required bool hasBottomMargin,
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Color? backgroundColor,
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BorderRadius? borderRadius,
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}) {
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return Container(
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margin: hasBottomMargin ? const EdgeInsets.only(bottom: 6) : null,
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decoration: backgroundColor != null
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? BoxDecoration(
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color: backgroundColor,
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borderRadius: borderRadius ?? BorderRadius.circular(0))
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: null,
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padding: backgroundColor != null ? const EdgeInsets.all(6) : null,
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child: Row(
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mainAxisAlignment:
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message.isUser ? MainAxisAlignment.end : MainAxisAlignment.start,
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children: [
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icon,
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const SizedBox(width: 6),
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Text(
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Intl.getCurrentLocale().startsWith('zh')
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? message.status.chinese
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: message.status.english,
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style: TextStyle(
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fontSize: 16, color: color, fontWeight: FontWeight.bold),
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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 _buildMarkdownBody() {
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return MarkdownBody(
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data: message.text,
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styleSheet: _markdownStyleSheet,
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imageBuilder: (uri, title, alt) {
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return Image.network(
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uri.toString(),
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errorBuilder: (context, error, stackTrace) {
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return const SizedBox.shrink();
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},
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);
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},
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// sizedImageBuilder: (config) {
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// return Image.network(
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// config.uri.toString(),
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// width: config.width,
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// height: config.height,
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// errorBuilder: (context, error, stackTrace) {
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// return const SizedBox.shrink();
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// },
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// );
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// },
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onTapLink: (text, href, title) {
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// todo
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},
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);
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}
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static final MarkdownStyleSheet _markdownStyleSheet = MarkdownStyleSheet(
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p: const TextStyle(fontSize: 14, color: Colors.white, height: 1.5),
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h1: const TextStyle(
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fontSize: 20, fontWeight: FontWeight.bold, color: Colors.white),
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h2: const TextStyle(
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fontSize: 18, fontWeight: FontWeight.bold, color: Colors.white),
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h3: const TextStyle(
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fontSize: 16, fontWeight: FontWeight.bold, color: Colors.white),
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h4: const TextStyle(color: Colors.white, fontSize: 12, height: 1.5),
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h5: const TextStyle(color: Colors.white, fontSize: 12, height: 1.5),
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h6: const TextStyle(color: Colors.white, fontSize: 12, height: 1.5),
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strong: const TextStyle(
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color: Colors.white,
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fontSize: 15,
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height: 1.5,
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fontWeight: FontWeight.bold),
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em: const TextStyle(
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color: Colors.white,
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fontSize: 12,
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height: 1.5,
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fontStyle: FontStyle.italic),
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code: const TextStyle(
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fontSize: 16, backgroundColor: Color(0xFFF5F5F5), color: Colors.white),
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codeblockDecoration: BoxDecoration(
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color: const Color(0xFFF5F5F5), borderRadius: BorderRadius.circular(4)),
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blockquote: const TextStyle(color: Colors.white, fontSize: 12, height: 1.5),
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blockquoteDecoration: BoxDecoration(
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border: Border(left: BorderSide(color: Colors.grey, width: 4))),
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listBullet: const TextStyle(color: Colors.white, fontSize: 12, height: 1.5),
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tableHead: const TextStyle(
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color: Colors.white,
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fontSize: 12,
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height: 1.5,
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fontWeight: FontWeight.bold),
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tableBody: const TextStyle(color: Colors.white, fontSize: 12, height: 1.5),
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tableBorder: TableBorder.all(color: Colors.grey, width: 1),
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tableCellsPadding: const EdgeInsets.all(8),
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tableColumnWidth: const FlexColumnWidth(),
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);
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Widget _buildDisclaimer(bool isThinking) {
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if (!isThinking && message.status != MessageStatus.completed) {
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return const SizedBox.shrink();
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const SizedBox(height: 6),
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const Opacity(
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opacity: 0.08,
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child: Divider(color: Colors.white, height: 1),
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),
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const SizedBox(height: 12),
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ConstrainedBox(
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constraints: const BoxConstraints(minHeight: 24),
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child: isThinking
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? Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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InkWell(
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onTap: () {
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Provider.of<MessageService>(context, listen: false)
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.abortReply();
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},
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.stop_circle_outlined,
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size: 18, color: CommonUtil.commonColor),
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const SizedBox(width: 4),
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Text(
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Intl.getCurrentLocale().startsWith('zh')
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? '停止回答'
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: 'Stop',
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style: const TextStyle(
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color: Colors.white, fontSize: 14)),
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],
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),
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)
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],
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)
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: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: Text(
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Intl.getCurrentLocale().startsWith('zh')
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? '内容由AI生成，具体以实际情况为准'
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: 'Generated by AI, for reference only.',
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style:
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const TextStyle(fontSize: 11, color: Colors.grey),
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),
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),
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Row(
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children: [
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InkWell(
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onTap: () async {
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await Clipboard.setData(ClipboardData(
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text:
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CommonUtil.cleanText(message.text, false)));
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Fluttertoast.showToast(
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msg: Intl.getCurrentLocale().startsWith('zh')
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? '已复制到剪贴板'
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: 'Copied to clipboard');
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},
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child: Padding(
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padding: const EdgeInsets.only(left: 12),
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child: AssetsUtil.getImageWidget('copy.png',
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width: 22,
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height: 22),
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),
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),
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InkWell(
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onTap: () {
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setState(() {
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_liked = !_liked;
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if (_liked) _disliked = false;
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});
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},
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child: Padding(
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padding: const EdgeInsets.only(left: 12),
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child: _liked
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? AssetsUtil.getImageWidget('liked2.png',
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width: 22,
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height: 22)
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: AssetsUtil.getImageWidget('liked1.png',
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width: 22,
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height: 22),
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),
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),
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InkWell(
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onTap: () {
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setState(() {
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_disliked = !_disliked;
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if (_disliked) _liked = false;
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});
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},
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child: Padding(
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padding: const EdgeInsets.only(left: 12),
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child: _disliked
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? AssetsUtil.getImageWidget('disliked2.png',
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width: 22,
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height: 22)
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: AssetsUtil.getImageWidget('disliked1.png',
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width: 22,
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height: 22)),
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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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