Files
App/lib/widgets/thought/shared_widgets.dart
2025-10-26 23:16:05 +08:00

536 lines
18 KiB
Dart

import "dart:convert";
import "package:easy_localization/easy_localization.dart";
import "package:flutter/material.dart";
import "package:flutter/services.dart";
import "package:gap/gap.dart";
import "package:google_fonts/google_fonts.dart";
import "package:island/models/thought.dart";
import "package:island/services/time.dart";
import "package:island/widgets/alert.dart";
import "package:island/widgets/content/markdown.dart";
import "package:island/widgets/post/compose_dialog.dart";
import "package:island/screens/posts/compose.dart";
import "package:material_symbols_icons/material_symbols_icons.dart";
import "package:styled_widget/styled_widget.dart";
import "package:markdown/markdown.dart" as markdown;
import "package:markdown_widget/markdown_widget.dart";
// Common functions
List<Map<String, String>> extractProposals(String content) {
final proposalRegex = RegExp(
r'<proposal\s+type="([^"]+)">(.*?)<\/proposal>',
dotAll: true,
);
final matches = proposalRegex.allMatches(content);
return matches.map((match) {
return {'type': match.group(1)!, 'content': match.group(2)!};
}).toList();
}
void handleProposalAction(BuildContext context, Map<String, String> proposal) {
switch (proposal['type']) {
case 'post_create':
// Show post creation dialog with the proposal content
PostComposeDialog.show(
context,
initialState: PostComposeInitialState(
content: (proposal['content'] ?? '').trim(),
),
);
break;
default:
// Show a snackbar for unsupported proposal types
showSnackBar('Unsupported proposal type: ${proposal['type']}');
}
}
// Common widgets
Widget buildChunkTiles(List<SnThinkingChunk> chunks, BuildContext context) {
return Column(
children: [
...chunks
.where((chunk) => chunk.type == ThinkingChunkType.reasoning)
.map(
(chunk) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Theme(
data: Theme.of(
context,
).copyWith(dividerColor: Colors.transparent),
child: ExpansionTile(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
title: Text(
'Reasoning',
style: Theme.of(context).textTheme.titleSmall,
),
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
chunk.data?['content'] ?? '',
style: Theme.of(context).textTheme.bodyMedium,
),
),
],
),
),
),
),
...chunks
.where((chunk) => chunk.type == ThinkingChunkType.functionCall)
.map(
(chunk) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Theme(
data: Theme.of(
context,
).copyWith(dividerColor: Colors.transparent),
child: ExpansionTile(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
visualDensity: VisualDensity.compact,
title: Text(
'Function Call',
style: Theme.of(context).textTheme.titleSmall,
),
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: SelectableText(
JsonEncoder.withIndent(' ').convert(chunk.data),
style: GoogleFonts.robotoMono(),
),
),
],
),
),
),
),
],
);
}
Widget thoughtItem(SnThinkingThought thought, int index, BuildContext context) {
final key = Key('thought-${thought.id}');
// Extract proposals from thought content
final proposals =
thought.content != null ? extractProposals(thought.content!) : [];
final thoughtWidget = Container(
margin: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color:
thought.role == ThinkingThoughtRole.assistant
? Theme.of(context).colorScheme.surfaceContainerHighest
: Theme.of(context).colorScheme.primaryContainer,
borderRadius: BorderRadius.circular(12),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
thought.role == ThinkingThoughtRole.assistant
? Symbols.smart_toy
: Symbols.person,
size: 20,
),
const Gap(8),
Expanded(
child: Row(
crossAxisAlignment: CrossAxisAlignment.baseline,
textBaseline: TextBaseline.ideographic,
spacing: 8,
children: [
Text(
thought.role == ThinkingThoughtRole.assistant
? 'thoughtAiName'.tr()
: 'thoughtUserName'.tr(),
style: Theme.of(context).textTheme.titleSmall,
),
Tooltip(
message: thought.createdAt.formatSystem(),
child: Text(
thought.createdAt.formatRelative(context),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
),
],
),
),
if (thought.role == ThinkingThoughtRole.assistant)
SizedBox(
height: 20,
width: 20,
child: IconButton(
visualDensity: VisualDensity(horizontal: -4, vertical: -4),
padding: EdgeInsets.zero,
iconSize: 16,
icon: Icon(Symbols.content_copy),
onPressed: () {
Clipboard.setData(
ClipboardData(text: thought.content ?? ''),
);
showSnackBar('copiedToClipboard'.tr());
},
),
),
],
),
const Gap(8),
if (thought.chunks.isNotEmpty) ...[
buildChunkTiles(thought.chunks, context),
const Gap(8),
],
if (thought.content != null)
MarkdownTextContent(
isSelectable: true,
content: thought.content!,
extraBlockSyntaxList: [ProposalBlockSyntax()],
textStyle: Theme.of(context).textTheme.bodyMedium,
extraGenerators: [
ProposalGenerator(
backgroundColor:
Theme.of(context).colorScheme.secondaryContainer,
foregroundColor:
Theme.of(context).colorScheme.onSecondaryContainer,
borderColor: Theme.of(context).colorScheme.outline,
),
],
),
if (thought.role == ThinkingThoughtRole.assistant &&
(thought.tokenCount != null || thought.modelName != null)) ...[
const Gap(8),
Row(
children: [
if (thought.modelName != null) ...[
const Icon(Symbols.neurology, size: 16),
const Gap(4),
Text(
'${thought.modelName}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
const Gap(16),
],
if (thought.tokenCount != null)
...([
const Icon(Symbols.token, size: 16),
const Gap(4),
Text(
'${thought.tokenCount} tokens',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
]),
],
),
],
if (proposals.isNotEmpty &&
thought.role == ThinkingThoughtRole.assistant) ...[
const Gap(12),
Wrap(
spacing: 8,
runSpacing: 8,
children:
proposals.map((proposal) {
return ElevatedButton.icon(
onPressed: () => handleProposalAction(context, proposal),
icon: Icon(switch (proposal['type']) {
'post_create' => Symbols.add,
_ => Symbols.lightbulb,
}, size: 16),
label: Text(switch (proposal['type']) {
'post_create' => 'Create Post',
_ => proposal['type'] ?? 'Action',
}),
style: ElevatedButton.styleFrom(
backgroundColor:
Theme.of(context).colorScheme.primaryContainer,
foregroundColor:
Theme.of(context).colorScheme.onPrimaryContainer,
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 8,
),
),
);
}).toList(),
),
],
],
),
);
return TweenAnimationBuilder<double>(
key: key,
tween: Tween<double>(begin: 0.0, end: 1.0),
duration: Duration(milliseconds: 400 + (index % 5) * 50), // Staggered delay
curve: Curves.easeOutCubic,
builder: (context, animationValue, child) {
return Transform.translate(
offset: Offset(0, 20 * (1 - animationValue)), // Slide up from bottom
child: Opacity(opacity: animationValue, child: child),
);
},
child: thoughtWidget,
);
}
Widget streamingThoughtItem(
String streamingText,
List<String> reasoningChunks,
List<String> functionCalls,
BuildContext context,
) {
return Container(
margin: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(12),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Symbols.smart_toy, size: 20),
const Gap(8),
Text(
'thoughtAiName'.tr(),
style: Theme.of(context).textTheme.titleSmall,
),
const Spacer(),
SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
),
],
),
const Gap(8),
MarkdownTextContent(
content: streamingText,
textStyle: Theme.of(context).textTheme.bodyMedium,
extraBlockSyntaxList: [ProposalBlockSyntax()],
extraGenerators: [
ProposalGenerator(
backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
foregroundColor:
Theme.of(context).colorScheme.onSecondaryContainer,
borderColor: Theme.of(context).colorScheme.outline,
),
],
),
if (reasoningChunks.isNotEmpty || functionCalls.isNotEmpty) ...[
const Gap(8),
Column(
children: [
...reasoningChunks.map(
(chunk) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Theme(
data: Theme.of(
context,
).copyWith(dividerColor: Colors.transparent),
child: ExpansionTile(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
title: Text(
'Reasoning',
style: Theme.of(context).textTheme.titleSmall,
),
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
chunk,
style: Theme.of(context).textTheme.bodyMedium,
),
),
],
),
),
),
),
...functionCalls.map(
(call) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Theme(
data: Theme.of(
context,
).copyWith(dividerColor: Colors.transparent),
child: ExpansionTile(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
visualDensity: VisualDensity.compact,
title: Text(
'Function Call',
style: Theme.of(context).textTheme.titleSmall,
),
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: SelectableText(
call,
style: GoogleFonts.robotoMono(),
),
),
],
),
),
),
),
],
),
],
],
),
);
}
class ProposalBlockSyntax extends markdown.BlockSyntax {
@override
RegExp get pattern => RegExp(r'^<proposal', caseSensitive: false);
@override
bool canParse(markdown.BlockParser parser) {
return pattern.hasMatch(parser.current.content);
}
@override
bool canEndBlock(markdown.BlockParser parser) {
return parser.current.content.contains('</proposal>');
}
@override
markdown.Node parse(markdown.BlockParser parser) {
final childLines = <String>[];
// Extract type from opening tag
final openingLine = parser.current.content;
final attrsMatch = RegExp(
r'<proposal(\s[^>]*)?>',
caseSensitive: false,
).firstMatch(openingLine);
final attrs = attrsMatch?.group(1) ?? '';
final typeMatch = RegExp(r'type="([^"]*)"').firstMatch(attrs);
final type = typeMatch?.group(1) ?? '';
// Collect all lines until closing tag
while (!parser.isDone) {
childLines.add(parser.current.content);
if (canEndBlock(parser)) {
parser.advance();
break;
}
parser.advance();
}
// Extract content between tags
final fullContent = childLines.join('\n');
final contentMatch = RegExp(
r'<proposal[^>]*>(.*?)</proposal>',
dotAll: true,
caseSensitive: false,
).firstMatch(fullContent);
final content = contentMatch?.group(1)?.trim() ?? '';
final element = markdown.Element('proposal', [markdown.Text(content)])
..attributes['type'] = type;
return element;
}
}
class ProposalGenerator extends SpanNodeGeneratorWithTag {
ProposalGenerator({
required Color backgroundColor,
required Color foregroundColor,
required Color borderColor,
}) : super(
tag: 'proposal',
generator: (
markdown.Element element,
MarkdownConfig config,
WidgetVisitor visitor,
) {
return ProposalSpanNode(
text: element.textContent,
type: element.attributes['type'] ?? '',
backgroundColor: backgroundColor,
foregroundColor: foregroundColor,
borderColor: borderColor,
);
},
);
}
class ProposalSpanNode extends SpanNode {
final String text;
final String type;
final Color backgroundColor;
final Color foregroundColor;
final Color borderColor;
ProposalSpanNode({
required this.text,
required this.type,
required this.backgroundColor,
required this.foregroundColor,
required this.borderColor,
});
@override
InlineSpan build() {
return WidgetSpan(
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: backgroundColor,
border: Border.all(color: borderColor, width: 1),
borderRadius: BorderRadius.circular(8),
),
child: Column(
mainAxisSize: MainAxisSize.min,
spacing: 6,
children: [
Row(
spacing: 6,
children: [
Icon(Symbols.lightbulb, size: 16, color: foregroundColor),
Text(
'SN-chan suggest you to ${type.split('_').reversed.join(' ')}',
).fontSize(13).opacity(0.8),
],
).padding(top: 3, bottom: 4),
Flexible(
child: Text(
text,
style: TextStyle(
color: foregroundColor,
fontSize: 14,
fontWeight: FontWeight.w500,
),
),
),
],
),
),
);
}
}