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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| import 'package:boilerplate/core/widgets/chat_input.dart'; | ||
| import 'package:boilerplate/core/widgets/progress_indicator_widget.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:intl/intl.dart'; | ||
|
|
||
| class Message { | ||
| final String content; | ||
| final bool isGPT; | ||
| final DateTime createdAt; | ||
|
|
||
| Message({ | ||
| required this.content, | ||
| required this.isGPT, | ||
| required this.createdAt, | ||
| }); | ||
| } | ||
|
|
||
| class ChatScreen extends StatefulWidget { | ||
| final String chatThreadId; | ||
| const ChatScreen({super.key, required this.chatThreadId}); | ||
|
|
||
| @override | ||
| State<ChatScreen> createState() => _ChatScreenState(); | ||
| } | ||
|
|
||
| class _ChatScreenState extends State<ChatScreen> { | ||
| int showTimeAtIndex = -1; | ||
| final ScrollController _controller = ScrollController(); | ||
|
|
||
| void scrollToBottom() { | ||
| if (_controller.hasClients) { | ||
| _controller.jumpTo( | ||
| _controller.position.maxScrollExtent, | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| void scrollToPosition(double position) { | ||
| if (_controller.hasClients) { | ||
| _controller.jumpTo( | ||
| position, | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| List<Message> messages = [ | ||
| Message( | ||
| content: 'How can I help you?', isGPT: true, createdAt: DateTime.now()), | ||
| Message( | ||
| content: 'I want to learn about Flutter', | ||
| isGPT: false, | ||
| createdAt: DateTime.now()), | ||
| Message( | ||
| content: 'What do you want to learn about Flutter?', | ||
| isGPT: true, | ||
| createdAt: DateTime.now()), | ||
| Message( | ||
| content: 'I want to learn about Bloc', | ||
| isGPT: false, | ||
| createdAt: DateTime.now()), | ||
| Message( | ||
| content: 'What do you want to learn about Bloc?', | ||
| isGPT: true, | ||
| createdAt: DateTime.now()), | ||
| Message( | ||
| content: 'I want to learn about Bloc', | ||
| isGPT: false, | ||
| createdAt: DateTime.now()), | ||
| ]; | ||
|
|
||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Column( | ||
| mainAxisAlignment: MainAxisAlignment.end, | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| children: [ | ||
| Expanded( | ||
| child: ListView.builder( | ||
| controller: _controller, | ||
| itemCount: messages.length + 1, | ||
| shrinkWrap: true, | ||
| padding: EdgeInsets.zero, | ||
| itemBuilder: (context, index) { | ||
| // if (index == state.messages?.length) { | ||
| // return (state is! ConversationDone) | ||
| // ? Center( | ||
| // child: SizedBox( | ||
| // width: 30, | ||
| // height: 30, | ||
| // child: CircularProgressIndicator( | ||
| // strokeWidth: 1.5, | ||
| // color: Theme.of(context).primaryColor, | ||
| // ), | ||
| // ), | ||
| // ) | ||
| // : const SizedBox(); | ||
| // } | ||
| if (index == 0) { | ||
| return CustomProgressIndicatorWidget(); | ||
| } | ||
| return Container( | ||
| padding: EdgeInsets.only( | ||
| left: (messages[index - 1].isGPT) ? 14 : 56, | ||
| right: (messages[index - 1].isGPT) ? 56 : 14, | ||
| top: 10, | ||
| bottom: 10), | ||
| child: Column( | ||
| crossAxisAlignment: (messages[index - 1].isGPT) | ||
| ? CrossAxisAlignment.start | ||
| : CrossAxisAlignment.end, | ||
| children: [ | ||
| if (index - 1 == showTimeAtIndex) | ||
| Center( | ||
| child: Padding( | ||
| padding: const EdgeInsets.only( | ||
| bottom: 5, | ||
| ), | ||
| child: Text( | ||
| DateFormat(null, 'en') | ||
| .format(messages[index - 1].createdAt), | ||
| style: Theme.of(context).textTheme.displayMedium, | ||
| ), | ||
| ), | ||
| ), | ||
| InkWell( | ||
| borderRadius: BorderRadius.circular(20), | ||
| onTap: () { | ||
| setState(() { | ||
| if (showTimeAtIndex != index - 1) { | ||
| showTimeAtIndex = index - 1; | ||
| } else { | ||
| showTimeAtIndex = -1; | ||
| } | ||
| }); | ||
| }, | ||
| child: Material( | ||
| color: Colors.transparent, | ||
| child: Container( | ||
| decoration: BoxDecoration( | ||
| borderRadius: BorderRadius.circular(20), | ||
| color: (messages[index - 1].isGPT) | ||
| ? Colors.grey.shade300 | ||
| : Theme.of(context).colorScheme.primary), | ||
| padding: const EdgeInsets.only( | ||
| left: 16, right: 16, top: 16, bottom: 16), | ||
| child: Text( | ||
| messages[index - 1].content, | ||
| style: TextStyle( | ||
| color: (messages[index - 1].isGPT) | ||
| ? Colors.black | ||
| : Colors.white), | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| }, | ||
| ), | ||
| ), | ||
| ChatInput(onSend: () {}), | ||
| ], | ||
| ); | ||
| } | ||
| } |
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